Coal ball (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Coal ball" in English language version.

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Seward 1898, p. 86. Seward, Albert Charles (1898). Fossil plants: a text-book for students of botany and geology. Cambridge University Press. pp. 84–87. This article incorporates text from this source, which is in the public domain.

books.google.com (Global: 3^rd place; English: 3^rd place)

Lomax 1903, p. 811. Lomax, James (1903). "On the occurrence of the nodular concretions (coal balls) in the lower coal measures". Report of the Annual Meeting. 72: 811–812. This article incorporates text from this source, which is in the public domain.
Mamay & Yochelson 1962, p. 196. Mamay, Sergius H.; Yochelson, Ellis L. (1962). "Occurrence and significance of marine animal remains in American coal balls". Shorter Contributions to General Geology: 193–224. Bibcode:1962usgs.rept....7M. doi:10.3133/pp354I. Geological Survey Professional Paper, Volume 354 at Google Books.
Mamay & Yochelson 1962, p. 195. Mamay, Sergius H.; Yochelson, Ellis L. (1962). "Occurrence and significance of marine animal remains in American coal balls". Shorter Contributions to General Geology: 193–224. Bibcode:1962usgs.rept....7M. doi:10.3133/pp354I. Geological Survey Professional Paper, Volume 354 at Google Books.

doi.org (Global: 2^nd place; English: 2^nd place)

Scott & Rex 1985, p. 124. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Noé 1923a, p. 385. Noé, Adolph C. (30 March 1923a). "Coal Balls". Science. 57 (1474): 385. Bibcode:1923Sci....57..385N. doi:10.1126/science.57.1474.385. JSTOR 1648633. PMID 17748916.
Phillips, Pfefferkorn & Peppers 1973, p. 24. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)
Hooker & Binney 1855, p. 149. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Stopes & Watson 1909, p. 212. Stopes, Marie C.; Watson, David M. S. (1909). "On the Present Distribution and Origin of the Calcareous Concretions in Coal Seams, Known as 'Coal Balls'". Philosophical Transactions of the Royal Society. 200 (262–273): 167–218. Bibcode:1909RSPTB.200..167S. doi:10.1098/rstb.1909.0005. JSTOR 91931.
Feliciano 1924, p. 233. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Andrews 1951, p. 434. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Kindle 1934, p. 757. Kindle, E. M. (November 1934). "Concerning "Lake Balls," "Cladophora Balls" and "Coal Balls"". American Midland Naturalist. 15 (6): 752–760. doi:10.2307/2419894. JSTOR 2419894.
Jeffrey 1917, p. 211. Jeffrey, Edward C. (1917). "Petrified Coals and Their Bearing on the Problem of the Origin of Coals". Proceedings of the National Academy of Sciences of the United States of America. 3 (3): 206–211. Bibcode:1917PNAS....3..206J. doi:10.1073/pnas.3.3.206. PMC 1091213. PMID 16576220. This article incorporates text from this source, which is in the public domain.
Andrews 1951, p. 432. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Scott & Rex 1985, p. 123. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Gabel & Dyche 1986, p. 99. Gabel, Mark L.; Dyche, Steven E. (February 1986). "Making Coal Ball Peels to Study Fossil Plants". The American Biology Teacher. 48 (2): 99–101. doi:10.2307/4448216. JSTOR 4448216.
Demaris 2000, p. 224. Demaris, Phillip J. (January 2000). "Formation and distribution of coal balls in the Herrin Coal (Pennsylvanian), Franklin County, Illinois Basin, USA". Journal of the Geological Society. 157 (1): 221–228. Bibcode:2000JGSoc.157..221D. doi:10.1144/jgs.157.1.221. S2CID 129037655.
Feliciano 1924, p. 230. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Hooker & Binney 1855, p. 150. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Evans & Amos 1961, p. 452. Evans, W. D.; Amos, Dewey H. (February 1961). "An Example of the Origin of Coal-Balls". Proceedings of the Geologists' Association. 72 (4): 445. Bibcode:1961PrGA...72..445E. doi:10.1016/S0016-7878(61)80038-2.
Scott & Rex 1985, p. 126. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Mamay & Yochelson 1962, p. 196. Mamay, Sergius H.; Yochelson, Ellis L. (1962). "Occurrence and significance of marine animal remains in American coal balls". Shorter Contributions to General Geology: 193–224. Bibcode:1962usgs.rept....7M. doi:10.3133/pp354I. Geological Survey Professional Paper, Volume 354 at Google Books.
Baxter 1951, p. 528. Baxter, Robert W. (December 1951). "Coal Balls: New Discoveries in Plant Petrifactions from Kansas Coal Beds". Transactions of the Kansas Academy of Science. 54 (4): 526–535. doi:10.2307/3626215. JSTOR 3626215.
Andrews 1951, p. 437. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Phillips & Peppers 1984, p. 206. Phillips, Tom L.; Peppers, Russel A. (February 1984). "Changing patterns of Pennsylvanian coal-swamp vegetation and implications of climatic control on coal occurrence". International Journal of Coal Geology. 3 (3): 205–255. Bibcode:1984IJCG....3..205P. doi:10.1016/0166-5162(84)90019-3.
Noé 1923b, p. 344. Noé, Adolph C. (June 1923b). "A Paleozoic Angiosperm". The Journal of Geology. 31 (4): 344–347. Bibcode:1923JG.....31..344N. doi:10.1086/623025. JSTOR 30078443. S2CID 129159972.
Mamay & Yochelson 1962, p. 195. Mamay, Sergius H.; Yochelson, Ellis L. (1962). "Occurrence and significance of marine animal remains in American coal balls". Shorter Contributions to General Geology: 193–224. Bibcode:1962usgs.rept....7M. doi:10.3133/pp354I. Geological Survey Professional Paper, Volume 354 at Google Books.
Hooker & Binney 1855, p. 1. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Feliciano 1924, p. 231. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Galtier 1997, p. 54. Galtier, Jean (1997). "Coal-ball floras of the Namurian-Westphalian of Europe". Review of Palaeobotany and Palynology. 95 (1–4): 51–72. Bibcode:1997RPaPa..95...51G. doi:10.1016/S0034-6667(96)00027-9.
Scott & Rex 1985, pp. 124–125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Galtier 1997, p. 59. Galtier, Jean (1997). "Coal-ball floras of the Namurian-Westphalian of Europe". Review of Palaeobotany and Palynology. 95 (1–4): 51–72. Bibcode:1997RPaPa..95...51G. doi:10.1016/S0034-6667(96)00027-9.
Andrews 1951, p. 433. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Stopes & Watson 1909, p. 173. Stopes, Marie C.; Watson, David M. S. (1909). "On the Present Distribution and Origin of the Calcareous Concretions in Coal Seams, Known as 'Coal Balls'". Philosophical Transactions of the Royal Society. 200 (262–273): 167–218. Bibcode:1909RSPTB.200..167S. doi:10.1098/rstb.1909.0005. JSTOR 91931.
Phillips, Pfefferkorn & Peppers 1973, p. 26. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)
Baxter 1951, p. 531. Baxter, Robert W. (December 1951). "Coal Balls: New Discoveries in Plant Petrifactions from Kansas Coal Beds". Transactions of the Kansas Academy of Science. 54 (4): 526–535. doi:10.2307/3626215. JSTOR 3626215.
Scott & Rex 1985, p. 125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Gabel & Dyche 1986, pp. 99, 101. Gabel, Mark L.; Dyche, Steven E. (February 1986). "Making Coal Ball Peels to Study Fossil Plants". The American Biology Teacher. 48 (2): 99–101. doi:10.2307/4448216. JSTOR 4448216.
Chitaley 1985, p. 302–303. Chitaley, Shya (1985). "A New Technique for Thin Sections of Pyritized Permineralizations". Review of Palaeobotany and Palynology. 45 (3–4): 301–306. Bibcode:1985RPaPa..45..301C. doi:10.1016/0034-6667(85)90005-3.
Demaris 2000, p. 221. Demaris, Phillip J. (January 2000). "Formation and distribution of coal balls in the Herrin Coal (Pennsylvanian), Franklin County, Illinois Basin, USA". Journal of the Geological Society. 157 (1): 221–228. Bibcode:2000JGSoc.157..221D. doi:10.1144/jgs.157.1.221. S2CID 129037655.

geosociety.org (Global: low place; English: low place)

rock.geosociety.org

"Memorial to Gilbert Haven Cady" (PDF). Geological Society of America. Retrieved 23 April 2024.

handle.net (Global: 102^nd place; English: 76^th place)

hdl.handle.net

Phillips, Pfefferkorn & Peppers 1973, p. 24. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)
Phillips, Pfefferkorn & Peppers 1973, p. 26. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Scott & Rex 1985, p. 124. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Noé 1923a, p. 385. Noé, Adolph C. (30 March 1923a). "Coal Balls". Science. 57 (1474): 385. Bibcode:1923Sci....57..385N. doi:10.1126/science.57.1474.385. JSTOR 1648633. PMID 17748916.
Andrews 1946, p. 334. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Hooker & Binney 1855, p. 149. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Stopes & Watson 1909, p. 212. Stopes, Marie C.; Watson, David M. S. (1909). "On the Present Distribution and Origin of the Calcareous Concretions in Coal Seams, Known as 'Coal Balls'". Philosophical Transactions of the Royal Society. 200 (262–273): 167–218. Bibcode:1909RSPTB.200..167S. doi:10.1098/rstb.1909.0005. JSTOR 91931.
Feliciano 1924, p. 233. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Andrews 1951, p. 434. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Jeffrey 1917, p. 211. Jeffrey, Edward C. (1917). "Petrified Coals and Their Bearing on the Problem of the Origin of Coals". Proceedings of the National Academy of Sciences of the United States of America. 3 (3): 206–211. Bibcode:1917PNAS....3..206J. doi:10.1073/pnas.3.3.206. PMC 1091213. PMID 16576220. This article incorporates text from this source, which is in the public domain.
Andrews 1951, p. 432. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Andrews 1946, p. 327. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Scott & Rex 1985, p. 123. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Demaris 2000, p. 224. Demaris, Phillip J. (January 2000). "Formation and distribution of coal balls in the Herrin Coal (Pennsylvanian), Franklin County, Illinois Basin, USA". Journal of the Geological Society. 157 (1): 221–228. Bibcode:2000JGSoc.157..221D. doi:10.1144/jgs.157.1.221. S2CID 129037655.
Feliciano 1924, p. 230. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Hooker & Binney 1855, p. 150. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Evans & Amos 1961, p. 452. Evans, W. D.; Amos, Dewey H. (February 1961). "An Example of the Origin of Coal-Balls". Proceedings of the Geologists' Association. 72 (4): 445. Bibcode:1961PrGA...72..445E. doi:10.1016/S0016-7878(61)80038-2.
Scott & Rex 1985, p. 126. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Mamay & Yochelson 1962, p. 196. Mamay, Sergius H.; Yochelson, Ellis L. (1962). "Occurrence and significance of marine animal remains in American coal balls". Shorter Contributions to General Geology: 193–224. Bibcode:1962usgs.rept....7M. doi:10.3133/pp354I. Geological Survey Professional Paper, Volume 354 at Google Books.
Andrews 1946, p. 330. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Andrews 1951, p. 437. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Phillips & Peppers 1984, p. 206. Phillips, Tom L.; Peppers, Russel A. (February 1984). "Changing patterns of Pennsylvanian coal-swamp vegetation and implications of climatic control on coal occurrence". International Journal of Coal Geology. 3 (3): 205–255. Bibcode:1984IJCG....3..205P. doi:10.1016/0166-5162(84)90019-3.
Andrews 1946, pp. 329–330. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Noé 1923b, p. 344. Noé, Adolph C. (June 1923b). "A Paleozoic Angiosperm". The Journal of Geology. 31 (4): 344–347. Bibcode:1923JG.....31..344N. doi:10.1086/623025. JSTOR 30078443. S2CID 129159972.
Mamay & Yochelson 1962, p. 195. Mamay, Sergius H.; Yochelson, Ellis L. (1962). "Occurrence and significance of marine animal remains in American coal balls". Shorter Contributions to General Geology: 193–224. Bibcode:1962usgs.rept....7M. doi:10.3133/pp354I. Geological Survey Professional Paper, Volume 354 at Google Books.
Hooker & Binney 1855, p. 1. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Feliciano 1924, p. 231. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Galtier 1997, p. 54. Galtier, Jean (1997). "Coal-ball floras of the Namurian-Westphalian of Europe". Review of Palaeobotany and Palynology. 95 (1–4): 51–72. Bibcode:1997RPaPa..95...51G. doi:10.1016/S0034-6667(96)00027-9.
Scott & Rex 1985, pp. 124–125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Galtier 1997, p. 59. Galtier, Jean (1997). "Coal-ball floras of the Namurian-Westphalian of Europe". Review of Palaeobotany and Palynology. 95 (1–4): 51–72. Bibcode:1997RPaPa..95...51G. doi:10.1016/S0034-6667(96)00027-9.
Andrews 1951, p. 433. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Stopes & Watson 1909, p. 173. Stopes, Marie C.; Watson, David M. S. (1909). "On the Present Distribution and Origin of the Calcareous Concretions in Coal Seams, Known as 'Coal Balls'". Philosophical Transactions of the Royal Society. 200 (262–273): 167–218. Bibcode:1909RSPTB.200..167S. doi:10.1098/rstb.1909.0005. JSTOR 91931.
Scott & Rex 1985, p. 125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Andrews 1946, pp. 327–328. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Chitaley 1985, p. 302–303. Chitaley, Shya (1985). "A New Technique for Thin Sections of Pyritized Permineralizations". Review of Palaeobotany and Palynology. 45 (3–4): 301–306. Bibcode:1985RPaPa..45..301C. doi:10.1016/0034-6667(85)90005-3.
Demaris 2000, p. 221. Demaris, Phillip J. (January 2000). "Formation and distribution of coal balls in the Herrin Coal (Pennsylvanian), Franklin County, Illinois Basin, USA". Journal of the Geological Society. 157 (1): 221–228. Bibcode:2000JGSoc.157..221D. doi:10.1144/jgs.157.1.221. S2CID 129037655.

illinois.edu (Global: 1,349^th place; English: 866^th place)

life.illinois.edu

Phillips. Phillips, Tom L. "T L 'Tommy' Phillips, Department of Plant Biology, University of Illinois". University of Illinois. Archived from the original on 27 July 2011. Retrieved 31 July 2011.

jstor.org (Global: 26^th place; English: 20^th place)

Scott & Rex 1985, p. 124. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Noé 1923a, p. 385. Noé, Adolph C. (30 March 1923a). "Coal Balls". Science. 57 (1474): 385. Bibcode:1923Sci....57..385N. doi:10.1126/science.57.1474.385. JSTOR 1648633. PMID 17748916.
Andrews 1946, p. 334. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Hooker & Binney 1855, p. 149. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Stopes & Watson 1909, p. 212. Stopes, Marie C.; Watson, David M. S. (1909). "On the Present Distribution and Origin of the Calcareous Concretions in Coal Seams, Known as 'Coal Balls'". Philosophical Transactions of the Royal Society. 200 (262–273): 167–218. Bibcode:1909RSPTB.200..167S. doi:10.1098/rstb.1909.0005. JSTOR 91931.
Feliciano 1924, p. 233. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Andrews 1951, p. 434. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Kindle 1934, p. 757. Kindle, E. M. (November 1934). "Concerning "Lake Balls," "Cladophora Balls" and "Coal Balls"". American Midland Naturalist. 15 (6): 752–760. doi:10.2307/2419894. JSTOR 2419894.
Andrews 1951, p. 432. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Andrews 1946, p. 327. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Scott & Rex 1985, p. 123. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Gabel & Dyche 1986, p. 99. Gabel, Mark L.; Dyche, Steven E. (February 1986). "Making Coal Ball Peels to Study Fossil Plants". The American Biology Teacher. 48 (2): 99–101. doi:10.2307/4448216. JSTOR 4448216.
Feliciano 1924, p. 230. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Hooker & Binney 1855, p. 150. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Scott & Rex 1985, p. 126. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Andrews 1946, p. 330. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Baxter 1951, p. 528. Baxter, Robert W. (December 1951). "Coal Balls: New Discoveries in Plant Petrifactions from Kansas Coal Beds". Transactions of the Kansas Academy of Science. 54 (4): 526–535. doi:10.2307/3626215. JSTOR 3626215.
Andrews 1951, p. 437. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Andrews 1946, pp. 329–330. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.
Noé 1923b, p. 344. Noé, Adolph C. (June 1923b). "A Paleozoic Angiosperm". The Journal of Geology. 31 (4): 344–347. Bibcode:1923JG.....31..344N. doi:10.1086/623025. JSTOR 30078443. S2CID 129159972.
Hooker & Binney 1855, p. 1. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Feliciano 1924, p. 231. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Scott & Rex 1985, pp. 124–125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Andrews 1951, p. 433. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Stopes & Watson 1909, p. 173. Stopes, Marie C.; Watson, David M. S. (1909). "On the Present Distribution and Origin of the Calcareous Concretions in Coal Seams, Known as 'Coal Balls'". Philosophical Transactions of the Royal Society. 200 (262–273): 167–218. Bibcode:1909RSPTB.200..167S. doi:10.1098/rstb.1909.0005. JSTOR 91931.
Baxter 1951, p. 531. Baxter, Robert W. (December 1951). "Coal Balls: New Discoveries in Plant Petrifactions from Kansas Coal Beds". Transactions of the Kansas Academy of Science. 54 (4): 526–535. doi:10.2307/3626215. JSTOR 3626215.
Scott & Rex 1985, p. 125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Gabel & Dyche 1986, pp. 99, 101. Gabel, Mark L.; Dyche, Steven E. (February 1986). "Making Coal Ball Peels to Study Fossil Plants". The American Biology Teacher. 48 (2): 99–101. doi:10.2307/4448216. JSTOR 4448216.
Andrews 1946, pp. 327–328. Andrews, Henry N. (April 1946). "Coal Balls – A Key to the Past". The Scientific Monthly. 62 (4): 327–334. Bibcode:1946SciMo..62..327A. JSTOR 18958.

ku.edu (Global: 3,496^th place; English: 2,340^th place)

kuscholarworks.ku.edu

Perkins 1976, p. 1. Perkins, Thomas (1976). "Textures and Conditions of Formation of Middle Pennsylvanian Coal Balls, Central United States" (PDF). University of Kansas. Retrieved 16 July 2011.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Noé 1923a, p. 385. Noé, Adolph C. (30 March 1923a). "Coal Balls". Science. 57 (1474): 385. Bibcode:1923Sci....57..385N. doi:10.1126/science.57.1474.385. JSTOR 1648633. PMID 17748916.
Jeffrey 1917, p. 211. Jeffrey, Edward C. (1917). "Petrified Coals and Their Bearing on the Problem of the Origin of Coals". Proceedings of the National Academy of Sciences of the United States of America. 3 (3): 206–211. Bibcode:1917PNAS....3..206J. doi:10.1073/pnas.3.3.206. PMC 1091213. PMID 16576220. This article incorporates text from this source, which is in the public domain.

ncbi.nlm.nih.gov

Jeffrey 1917, p. 211. Jeffrey, Edward C. (1917). "Petrified Coals and Their Bearing on the Problem of the Origin of Coals". Proceedings of the National Academy of Sciences of the United States of America. 3 (3): 206–211. Bibcode:1917PNAS....3..206J. doi:10.1073/pnas.3.3.206. PMC 1091213. PMID 16576220. This article incorporates text from this source, which is in the public domain.

rhul.ac.uk (Global: low place; English: 9,338^th place)

digirep.rhul.ac.uk

Scott & Rex 1985, p. 124. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Scott & Rex 1985, p. 123. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Scott & Rex 1985, p. 126. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Scott & Rex 1985, pp. 124–125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.
Scott & Rex 1985, p. 125. Scott, Andrew C.; Rex, G.M. (1985). "The formation and significance of Carboniferous coal balls" (PDF). Philosophical Transactions of the Royal Society. B 311 (1148): 123–137. Bibcode:1985RSPTB.311..123S. doi:10.1098/rstb.1985.0144. JSTOR 2396976. Retrieved 15 July 2011.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Hooker & Binney 1855, p. 149. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Feliciano 1924, p. 233. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Andrews 1951, p. 434. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Andrews 1951, p. 432. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Demaris 2000, p. 224. Demaris, Phillip J. (January 2000). "Formation and distribution of coal balls in the Herrin Coal (Pennsylvanian), Franklin County, Illinois Basin, USA". Journal of the Geological Society. 157 (1): 221–228. Bibcode:2000JGSoc.157..221D. doi:10.1144/jgs.157.1.221. S2CID 129037655.
Feliciano 1924, p. 230. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Hooker & Binney 1855, p. 150. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Andrews 1951, p. 437. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Noé 1923b, p. 344. Noé, Adolph C. (June 1923b). "A Paleozoic Angiosperm". The Journal of Geology. 31 (4): 344–347. Bibcode:1923JG.....31..344N. doi:10.1086/623025. JSTOR 30078443. S2CID 129159972.
Hooker & Binney 1855, p. 1. Hooker, Joseph Dalton; Binney, Edward William (1855). "On the structure of certain limestone nodules enclosed in seams of bituminous coal, with a description of some trigonocarpons contained in them". Philosophical Transactions of the Royal Society. 145: 149–156. Bibcode:1855RSPT..145..149D. doi:10.1098/rstl.1855.0006. JSTOR 108514. S2CID 110524923. This article incorporates text from this source, which is in the public domain.
Feliciano 1924, p. 231. Feliciano, José Maria (1 May 1924). "The Relation of Concretions to Coal Seams". The Journal of Geology. 32 (3): 230–239. Bibcode:1924JG.....32..230F. doi:10.1086/623086. JSTOR 30059936. S2CID 128663837.
Andrews 1951, p. 433. Andrews, Henry N. Jr (1951). "American Coal-Ball Floras". Botanical Review. 17 (6): 431–469. Bibcode:1951BotRv..17..431A. doi:10.1007/BF02879039. JSTOR 4353462. S2CID 28942723.
Demaris 2000, p. 221. Demaris, Phillip J. (January 2000). "Formation and distribution of coal balls in the Herrin Coal (Pennsylvanian), Franklin County, Illinois Basin, USA". Journal of the Geological Society. 157 (1): 221–228. Bibcode:2000JGSoc.157..221D. doi:10.1144/jgs.157.1.221. S2CID 129037655.

uiuc.edu (Global: 3,087^th place; English: 2,519^th place)

library.isgs.uiuc.edu

Phillips, Pfefferkorn & Peppers 1973, p. 24. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)
Phillips, Avcin & Berggren 1976, p. 17. Phillips, Tom; Avcin, Matthew J.; Berggren, Dwain (1976). "Fossil Peats from the Illinois Basin: A guide to the study of coal balls of Pennsylvanian age" (PDF). University of Illinois. Archived from the original (PDF) on 9 October 2011. Retrieved 16 July 2011.
Phillips, Avcin & Berggren 1976, p. 6. Phillips, Tom; Avcin, Matthew J.; Berggren, Dwain (1976). "Fossil Peats from the Illinois Basin: A guide to the study of coal balls of Pennsylvanian age" (PDF). University of Illinois. Archived from the original (PDF) on 9 October 2011. Retrieved 16 July 2011.
Phillips, Avcin & Berggren 1976, p. 7. Phillips, Tom; Avcin, Matthew J.; Berggren, Dwain (1976). "Fossil Peats from the Illinois Basin: A guide to the study of coal balls of Pennsylvanian age" (PDF). University of Illinois. Archived from the original (PDF) on 9 October 2011. Retrieved 16 July 2011.
Nelson 1983, p. 41. Nelson, W. John (1983). "Geologic disturbances in Illinois coal seams" (PDF). 530. Illinois State Geological Survey. Archived from the original (PDF) on 17 April 2012. Retrieved 19 January 2012. {{cite journal}}: Cite journal requires |journal= (help)
Phillips, Pfefferkorn & Peppers 1973, p. 26. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)

isgs.uiuc.edu

Leighton & Peppers 2011. Leighton, Morris W.; Peppers, Russel A. (16 May 2011). "ISGS – Our Heritage – A Memorial: Adolf C. Noé". University of Illinois Board of Trustees. Archived from the original on 4 December 2008.

web.archive.org (Global: 1^st place; English: 1^st place)

Leighton & Peppers 2011. Leighton, Morris W.; Peppers, Russel A. (16 May 2011). "ISGS – Our Heritage – A Memorial: Adolf C. Noé". University of Illinois Board of Trustees. Archived from the original on 4 December 2008.
Phillips, Pfefferkorn & Peppers 1973, p. 24. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)
Phillips, Avcin & Berggren 1976, p. 17. Phillips, Tom; Avcin, Matthew J.; Berggren, Dwain (1976). "Fossil Peats from the Illinois Basin: A guide to the study of coal balls of Pennsylvanian age" (PDF). University of Illinois. Archived from the original (PDF) on 9 October 2011. Retrieved 16 July 2011.
Phillips, Avcin & Berggren 1976, p. 6. Phillips, Tom; Avcin, Matthew J.; Berggren, Dwain (1976). "Fossil Peats from the Illinois Basin: A guide to the study of coal balls of Pennsylvanian age" (PDF). University of Illinois. Archived from the original (PDF) on 9 October 2011. Retrieved 16 July 2011.
Phillips, Avcin & Berggren 1976, p. 7. Phillips, Tom; Avcin, Matthew J.; Berggren, Dwain (1976). "Fossil Peats from the Illinois Basin: A guide to the study of coal balls of Pennsylvanian age" (PDF). University of Illinois. Archived from the original (PDF) on 9 October 2011. Retrieved 16 July 2011.
Phillips. Phillips, Tom L. "T L 'Tommy' Phillips, Department of Plant Biology, University of Illinois". University of Illinois. Archived from the original on 27 July 2011. Retrieved 31 July 2011.
Nelson 1983, p. 41. Nelson, W. John (1983). "Geologic disturbances in Illinois coal seams" (PDF). 530. Illinois State Geological Survey. Archived from the original (PDF) on 17 April 2012. Retrieved 19 January 2012. {{cite journal}}: Cite journal requires |journal= (help)
Phillips, Pfefferkorn & Peppers 1973, p. 26. Phillips, Tom L.; Pfefferkorn, Herman L.; Peppers, Russel A. (1973). "Development of Paleobotany in the Illinois Basin" (PDF). Illinois State Geological Survey. doi:10.5962/bhl.title.61485. hdl:2142/43012. Archived from the original (PDF) on 26 March 2012. Retrieved 15 September 2011. {{cite journal}}: Cite journal requires |journal= (help)

Coal ball (English Wikipedia)

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