Calcium (English Wikipedia)

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

Last modified: 11:28:19, 19 September 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

5331doi.org

2^nd place

1813adsabs.harvard.edu

14^th place

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1712nih.gov

5^th place

101oregonstate.edu

2,217^th place

1,359^th place

97semanticscholar.org

15^th place

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42iaea.org

1,135^th place

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33books.google.com

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22nap.edu

2,540^th place

1,815^th place

21nasa.gov

12^th place

73^rd place

21loc.gov

63^rd place

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11ciaaw.org

9,183^rd place

low place

11degruyter.com

927^th place

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11worldcat.org

4^th place

11archive.org

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11rug.nl

2,629^th place

1,971^st place

11arxiv.org

49^th place

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11web.archive.org

1^st place

11usgs.gov

119^th place

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11jstor.org

23^rd place

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11eol.org

1,361^st place

1,803^rd place

11hdl.handle.net

66^th place

34^th place

11europa.eu

62^nd place

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11sigmaaldrich.com

774^th place

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adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Wolf, Benjamin M.; Stuhl, Christoph; Maichle-Mössmer, Cäcilia; Anwander, Reiner (2018). "Dimethylcalcium". Journal of the American Chemical Society. 140 (6): 2373–2383. Bibcode:2018JAChS.140.2373W. doi:10.1021/jacs.7b12984. PMID 29328671.
Cameron, A. G. W. (1973). "Abundance of the Elements in the Solar System" (PDF). Space Science Reviews. 15 (1): 121–46. Bibcode:1973SSRv...15..121C. doi:10.1007/BF00172440. S2CID 120201972.
Audi, G.; Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S. (2017). "The NUBASE2016 evaluation of nuclear properties" (PDF). Chinese Physics C. 41 (3) 030001. Bibcode:2017ChPhC..41c0001A. doi:10.1088/1674-1137/41/3/030001.
Arnold, R.; et al. (NEMO-3 Collaboration) (2016). "Measurement of the double-beta decay half-life and search for the neutrinoless double-beta decay of ⁴⁸Ca with the NEMO-3 detector". Physical Review D. 93 (11) 112008. arXiv:1604.01710. Bibcode:2016PhRvD..93k2008A. doi:10.1103/PhysRevD.93.112008. S2CID 55485404.
Russell, W. A.; Papanastassiou, D. A.; Tombrello, T. A. (1978). "Ca isotope fractionation on the earth and other solar system materials". Geochim Cosmochim Acta. 42 (8): 1075–90. Bibcode:1978GeCoA..42.1075R. doi:10.1016/0016-7037(78)90105-9.
Skulan, J.; Depaolo, D. J. (1999). "Calcium isotope fractionation between soft and mineralized tissues as a monitor of calcium use in vertebrates". Proc Natl Acad Sci USA. 96 (24): 13709–13. Bibcode:1999PNAS...9613709S. doi:10.1073/pnas.96.24.13709. PMC 24129. PMID 10570137.
Davy, H. (1808). "Electro-chemical researches on the decomposition of the earths; with observations on the metals obtained from the alkaline earths, and on the amalgam procured from ammonia". Philosophical Transactions of the Royal Society of London. 98: 333–70. Bibcode:1808RSPT...98..333D. doi:10.1098/rstl.1808.0023. S2CID 96364168.
Berner, Robert (2003). "The long-term carbon cycle, fossil fuels and atmospheric composition". Nature. 426 (6964): 323–26. Bibcode:2003Natur.426..323B. doi:10.1038/nature02131. PMID 14628061. S2CID 4420185.
Walker, James C. G.; Hays, P. B.; Kasting, J. F. (1981-10-20). "A negative feedback mechanism for the long-term stabilization of Earth's surface temperature". Journal of Geophysical Research: Oceans. 86 (C10): 9776–82. Bibcode:1981JGR....86.9776W. doi:10.1029/JC086iC10p09776.
Skulan, J.; Depaolo, D. J.; Owens, T. L. (June 1997). "Biological control of calcium isotopic abundances in the global calcium cycle". Geochimica et Cosmochimica Acta. 61 (12): 2505–10. Bibcode:1997GeCoA..61.2505S. doi:10.1016/S0016-7037(97)00047-1.
Skulan, J.; Bullen, T.; Anbar, A. D.; Puzas, J. E.; Shackelford, L.; Leblanc, A.; Smith, S. M. (2007). "Natural calcium isotopic composition of urine as a marker of bone mineral balance". Clinical Chemistry. 53 (6): 1155–58. Bibcode:2007CChem..53.1155S. doi:10.1373/clinchem.2006.080143. PMID 17463176.
Fantle, M.; Depaolo, D. (2007). "Ca isotopes in carbonate sediment and pore fluid from ODP Site 807A: The Ca²⁺(aq)–calcite equilibrium fractionation factor and calcite recrystallization rates in Pleistocene sediments". Geochim Cosmochim Acta. 71 (10): 2524–46. Bibcode:2007GeCoA..71.2524F. doi:10.1016/j.gca.2007.03.006.
Griffith, Elizabeth M.; Paytan, Adina; Caldeira, Ken; Bullen, Thomas; Thomas, Ellen (2008). "A Dynamic marine calcium cycle during the past 28 million years". Science. 322 (12): 1671–74. Bibcode:2008Sci...322.1671G. doi:10.1126/science.1163614. PMID 19074345. S2CID 206515318.

archive.org (Global: 6^th place; English: 6^th place)

Parish, R. V. (1977). The Metallic Elements. London: Longman. p. 34. ISBN 978-0-582-44278-8.

arxiv.org (Global: 49^th place; English: 31^st place)

Arnold, R.; et al. (NEMO-3 Collaboration) (2016). "Measurement of the double-beta decay half-life and search for the neutrinoless double-beta decay of ⁴⁸Ca with the NEMO-3 detector". Physical Review D. 93 (11) 112008. arXiv:1604.01710. Bibcode:2016PhRvD..93k2008A. doi:10.1103/PhysRevD.93.112008. S2CID 55485404.

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

Oates, J. A. H (2008). Lime and Limestone: Chemistry and Technology, Production and Uses. Wiley. ISBN 978-3-527-61201-7.
Lavoisier, Antoine; Kerr, Robert (translator) (1799) Elements of Chemistry, 4th ed. Edinburgh, Scotland: William Creech. p. 218. The original passage appears in: Lavoisier, Antoine (1789) Traité Élémentaire de Chimie. Paris, France: Cuchet. Vol. 1. p. 174.
Davy, H. (1808). "Electro-chemical researches on the decomposition of the earths; with observations on the metals obtained from the alkaline earths, and on the amalgam procured from ammonia". Philosophical Transactions of the Royal Society of London. 98: 333–70. Bibcode:1808RSPT...98..333D. doi:10.1098/rstl.1808.0023. S2CID 96364168.

ciaaw.org (Global: 9,183^rd place; English: low place)

"Standard Atomic Weights: Calcium". CIAAW. 1983.

degruyter.com (Global: 927^th place; English: 757^th place)

Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.

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

Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 112. doi:10.1016/C2009-0-30414-6. ISBN 978-0-08-037941-8.
Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
Calcium(I) has been obtained as a dinuclear organometallic complex with an arene dianion, see Krieck, Sven; Görls, Helmar; Yu, Lian; Reiher, Markus; Westerhausen, Matthias (2009). "Stable "Inverse" Sandwich Complex with Unprecedented Organocalcium(I): Crystal Structures of [(thf)2Mg(Br)-C6H2-2,4,6-Ph3] and [(thf)3Ca{μ-C6H3-1,3,5-Ph3}Ca(thf)3]". Journal of the American Chemical Society. 131 (8): 2977–2985. doi:10.1021/ja808524y..
Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3) 030001. doi:10.1088/1674-1137/abddae.
Smith, J. F.; Carlson, O. N.; Vest, R. W. (1956). "Allotropic Modifications of Calcium". Journal of the Electrochemical Society. 103 (7): 409. doi:10.1149/1.2430364.
Hluchan & Pomerantz 2005, p. 484. Hluchan, Stephen E.; Pomerantz, Kenneth (2005). "Calcium and Calcium Alloys". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_515.pub2. ISBN 978-3-527-30673-2.
Hluchan & Pomerantz 2005, p. 483. Hluchan, Stephen E.; Pomerantz, Kenneth (2005). "Calcium and Calcium Alloys". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_515.pub2. ISBN 978-3-527-30673-2.
Holzrichter, Klaus; Knott, Alfons; Mertschenk, Bernd; Salzinger, Josef (2013). "Calcium Carbide". Ullmann's Encyclopedia of Industrial Chemistry. pp. 1–14. doi:10.1002/14356007.a04_533.pub2. ISBN 978-3-527-30673-2.
Wolf, Benjamin M.; Stuhl, Christoph; Maichle-Mössmer, Cäcilia; Anwander, Reiner (2018). "Dimethylcalcium". Journal of the American Chemical Society. 140 (6): 2373–2383. Bibcode:2018JAChS.140.2373W. doi:10.1021/jacs.7b12984. PMID 29328671.
Penafiel, J.; Maron, L.; Harder, S. (2014). "Early Main Group Metal Catalysis: How Important is the Metal?" (PDF). Angew. Chem. Int. Ed. 54 (1): 201–06. doi:10.1002/anie.201408814. PMID 25376952.
Cameron, A. G. W. (1973). "Abundance of the Elements in the Solar System" (PDF). Space Science Reviews. 15 (1): 121–46. Bibcode:1973SSRv...15..121C. doi:10.1007/BF00172440. S2CID 120201972.
Audi, G.; Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S. (2017). "The NUBASE2016 evaluation of nuclear properties" (PDF). Chinese Physics C. 41 (3) 030001. Bibcode:2017ChPhC..41c0001A. doi:10.1088/1674-1137/41/3/030001.
Arnold, R.; et al. (NEMO-3 Collaboration) (2016). "Measurement of the double-beta decay half-life and search for the neutrinoless double-beta decay of ⁴⁸Ca with the NEMO-3 detector". Physical Review D. 93 (11) 112008. arXiv:1604.01710. Bibcode:2016PhRvD..93k2008A. doi:10.1103/PhysRevD.93.112008. S2CID 55485404.
Russell, W. A.; Papanastassiou, D. A.; Tombrello, T. A. (1978). "Ca isotope fractionation on the earth and other solar system materials". Geochim Cosmochim Acta. 42 (8): 1075–90. Bibcode:1978GeCoA..42.1075R. doi:10.1016/0016-7037(78)90105-9.
Skulan, J.; Depaolo, D. J. (1999). "Calcium isotope fractionation between soft and mineralized tissues as a monitor of calcium use in vertebrates". Proc Natl Acad Sci USA. 96 (24): 13709–13. Bibcode:1999PNAS...9613709S. doi:10.1073/pnas.96.24.13709. PMC 24129. PMID 10570137.
Garfinkel, Yosef (1987). "Burnt Lime Products and Social Implications in the Pre-Pottery Neolithic B Villages of the Near East". Paléorient. 13 (1): 69–76. doi:10.3406/paleo.1987.4417. JSTOR 41492234.
Davy, H. (1808). "Electro-chemical researches on the decomposition of the earths; with observations on the metals obtained from the alkaline earths, and on the amalgam procured from ammonia". Philosophical Transactions of the Royal Society of London. 98: 333–70. Bibcode:1808RSPT...98..333D. doi:10.1098/rstl.1808.0023. S2CID 96364168.
Berner, Robert (2003). "The long-term carbon cycle, fossil fuels and atmospheric composition". Nature. 426 (6964): 323–26. Bibcode:2003Natur.426..323B. doi:10.1038/nature02131. PMID 14628061. S2CID 4420185.
Walker, James C. G.; Hays, P. B.; Kasting, J. F. (1981-10-20). "A negative feedback mechanism for the long-term stabilization of Earth's surface temperature". Journal of Geophysical Research: Oceans. 86 (C10): 9776–82. Bibcode:1981JGR....86.9776W. doi:10.1029/JC086iC10p09776.
Hluchan & Pomerantz 2005, pp. 485–87. Hluchan, Stephen E.; Pomerantz, Kenneth (2005). "Calcium and Calcium Alloys". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_515.pub2. ISBN 978-3-527-30673-2.
Skulan, J.; Depaolo, D. J.; Owens, T. L. (June 1997). "Biological control of calcium isotopic abundances in the global calcium cycle". Geochimica et Cosmochimica Acta. 61 (12): 2505–10. Bibcode:1997GeCoA..61.2505S. doi:10.1016/S0016-7037(97)00047-1.
Skulan, J.; Bullen, T.; Anbar, A. D.; Puzas, J. E.; Shackelford, L.; Leblanc, A.; Smith, S. M. (2007). "Natural calcium isotopic composition of urine as a marker of bone mineral balance". Clinical Chemistry. 53 (6): 1155–58. Bibcode:2007CChem..53.1155S. doi:10.1373/clinchem.2006.080143. PMID 17463176.
Fantle, M.; Depaolo, D. (2007). "Ca isotopes in carbonate sediment and pore fluid from ODP Site 807A: The Ca²⁺(aq)–calcite equilibrium fractionation factor and calcite recrystallization rates in Pleistocene sediments". Geochim Cosmochim Acta. 71 (10): 2524–46. Bibcode:2007GeCoA..71.2524F. doi:10.1016/j.gca.2007.03.006.
Griffith, Elizabeth M.; Paytan, Adina; Caldeira, Ken; Bullen, Thomas; Thomas, Ellen (2008). "A Dynamic marine calcium cycle during the past 28 million years". Science. 322 (12): 1671–74. Bibcode:2008Sci...322.1671G. doi:10.1126/science.1163614. PMID 19074345. S2CID 206515318.
The selection and use of essential medicines, 2025: WHO Model List of Essential Medicines, 24th list. Geneva: World Health Organization. 2025. doi:10.2471/B09474. hdl:10665/382243.
Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D Calcium; Ross, A. C.; Taylor, C. L.; Yaktine, A. L.; Del Valle, H. B. (2011). "ch 6. Tolerable Upper Intake Levels". Dietary Reference Intakes for Calcium and Vitamin D. Washington, D.C.: National Academies Press. pp. 403–56. doi:10.17226/13050. ISBN 978-0-309-16394-1. PMID 21796828. S2CID 58721779.
Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D Calcium; Ross, A. C.; Taylor, C. L.; Yaktine, A. L.; Del Valle, H. B. (2011). "ch. 5. Dietary Reference Intakes". Dietary Reference Intakes for Calcium and Vitamin D. Washington, D.C.: National Academies Press. pp. 345–402. doi:10.17226/13050. ISBN 978-0-309-16394-1. PMID 21796828. S2CID 58721779.
Balk EM, Adam GP, Langberg VN, Earley A, Clark P, Ebeling PR, Mithal A, Rizzoli R, Zerbini CA, Pierroz DD, Dawson-Hughes B (December 2017). "Global dietary calcium intake among adults: a systematic review". Osteoporosis International. 28 (12): 3315–24. doi:10.1007/s00198-017-4230-x. PMC 5684325. PMID 29026938.
Sosa Torres, Martha; Kroneck, Peter M.H; "Introduction: From Rocks to Living Cells" pp. 1–32 in "Metals, Microbes and Minerals: The Biogeochemical Side of Life" (2021) pp. xiv + 341. Walter de Gruyter, Berlin. Editors Kroneck, Peter M.H. and Sosa Torres, Martha. doi:10.1515/9783110589771-001
Hluchan & Pomerantz 2005, pp. 489–94. Hluchan, Stephen E.; Pomerantz, Kenneth (2005). "Calcium and Calcium Alloys". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_515.pub2. ISBN 978-3-527-30673-2.
Hluchan & Pomerantz 2005, pp. 487–89. Hluchan, Stephen E.; Pomerantz, Kenneth (2005). "Calcium and Calcium Alloys". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_515.pub2. ISBN 978-3-527-30673-2.

eol.org (Global: 1,361^st place; English: 1,803^rd place)

editors.eol.org

Zeebe (2006). "Marine carbonate chemistry". National Council for Science and the Environment. Retrieved 2010-03-13.

europa.eu (Global: 62^nd place; English: 100^th place)

efsa.europa.eu

Tolerable Upper Intake Levels For Vitamins And Minerals (PDF), European Food Safety Authority, 2006

hdl.handle.net (Global: 66^th place; English: 34^th place)

The selection and use of essential medicines, 2025: WHO Model List of Essential Medicines, 24th list. Geneva: World Health Organization. 2025. doi:10.2471/B09474. hdl:10665/382243.

iaea.org (Global: 1,135^th place; English: 1,124^th place)

www-nds.iaea.org

Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3) 030001. doi:10.1088/1674-1137/abddae.
Audi, G.; Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S. (2017). "The NUBASE2016 evaluation of nuclear properties" (PDF). Chinese Physics C. 41 (3) 030001. Bibcode:2017ChPhC..41c0001A. doi:10.1088/1674-1137/41/3/030001.

jstor.org (Global: 23^rd place; English: 15^th place)

Garfinkel, Yosef (1987). "Burnt Lime Products and Social Implications in the Pre-Pottery Neolithic B Villages of the Near East". Paléorient. 13 (1): 69–76. doi:10.3406/paleo.1987.4417. JSTOR 41492234.

loc.gov (Global: 63^rd place; English: 47^th place)

lccn.loc.gov

Weeks, Mary Elvira; Leichester, Henry M. (1968). Discovery of the Elements. Easton, PA: Journal of Chemical Education. pp. 505–10. ISBN 978-0-7661-3872-8. LCCN 68-15217.

nap.edu (Global: 2,540^th place; English: 1,815^th place)

Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D Calcium; Ross, A. C.; Taylor, C. L.; Yaktine, A. L.; Del Valle, H. B. (2011). "ch 6. Tolerable Upper Intake Levels". Dietary Reference Intakes for Calcium and Vitamin D. Washington, D.C.: National Academies Press. pp. 403–56. doi:10.17226/13050. ISBN 978-0-309-16394-1. PMID 21796828. S2CID 58721779.
Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D Calcium; Ross, A. C.; Taylor, C. L.; Yaktine, A. L.; Del Valle, H. B. (2011). "ch. 5. Dietary Reference Intakes". Dietary Reference Intakes for Calcium and Vitamin D. Washington, D.C.: National Academies Press. pp. 345–402. doi:10.17226/13050. ISBN 978-0-309-16394-1. PMID 21796828. S2CID 58721779.

nasa.gov (Global: 12^th place; English: 73^rd place)

pubs.giss.nasa.gov

Cameron, A. G. W. (1973). "Abundance of the Elements in the Solar System" (PDF). Space Science Reviews. 15 (1): 121–46. Bibcode:1973SSRv...15..121C. doi:10.1007/BF00172440. S2CID 120201972.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Wolf, Benjamin M.; Stuhl, Christoph; Maichle-Mössmer, Cäcilia; Anwander, Reiner (2018). "Dimethylcalcium". Journal of the American Chemical Society. 140 (6): 2373–2383. Bibcode:2018JAChS.140.2373W. doi:10.1021/jacs.7b12984. PMID 29328671.
Penafiel, J.; Maron, L.; Harder, S. (2014). "Early Main Group Metal Catalysis: How Important is the Metal?" (PDF). Angew. Chem. Int. Ed. 54 (1): 201–06. doi:10.1002/anie.201408814. PMID 25376952.
Skulan, J.; Depaolo, D. J. (1999). "Calcium isotope fractionation between soft and mineralized tissues as a monitor of calcium use in vertebrates". Proc Natl Acad Sci USA. 96 (24): 13709–13. Bibcode:1999PNAS...9613709S. doi:10.1073/pnas.96.24.13709. PMC 24129. PMID 10570137.
Berner, Robert (2003). "The long-term carbon cycle, fossil fuels and atmospheric composition". Nature. 426 (6964): 323–26. Bibcode:2003Natur.426..323B. doi:10.1038/nature02131. PMID 14628061. S2CID 4420185.
Skulan, J.; Bullen, T.; Anbar, A. D.; Puzas, J. E.; Shackelford, L.; Leblanc, A.; Smith, S. M. (2007). "Natural calcium isotopic composition of urine as a marker of bone mineral balance". Clinical Chemistry. 53 (6): 1155–58. Bibcode:2007CChem..53.1155S. doi:10.1373/clinchem.2006.080143. PMID 17463176.
Griffith, Elizabeth M.; Paytan, Adina; Caldeira, Ken; Bullen, Thomas; Thomas, Ellen (2008). "A Dynamic marine calcium cycle during the past 28 million years". Science. 322 (12): 1671–74. Bibcode:2008Sci...322.1671G. doi:10.1126/science.1163614. PMID 19074345. S2CID 206515318.
Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D Calcium; Ross, A. C.; Taylor, C. L.; Yaktine, A. L.; Del Valle, H. B. (2011). "ch 6. Tolerable Upper Intake Levels". Dietary Reference Intakes for Calcium and Vitamin D. Washington, D.C.: National Academies Press. pp. 403–56. doi:10.17226/13050. ISBN 978-0-309-16394-1. PMID 21796828. S2CID 58721779.
Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D Calcium; Ross, A. C.; Taylor, C. L.; Yaktine, A. L.; Del Valle, H. B. (2011). "ch. 5. Dietary Reference Intakes". Dietary Reference Intakes for Calcium and Vitamin D. Washington, D.C.: National Academies Press. pp. 345–402. doi:10.17226/13050. ISBN 978-0-309-16394-1. PMID 21796828. S2CID 58721779.
Balk EM, Adam GP, Langberg VN, Earley A, Clark P, Ebeling PR, Mithal A, Rizzoli R, Zerbini CA, Pierroz DD, Dawson-Hughes B (December 2017). "Global dietary calcium intake among adults: a systematic review". Osteoporosis International. 28 (12): 3315–24. doi:10.1007/s00198-017-4230-x. PMC 5684325. PMID 29026938.

ncbi.nlm.nih.gov

Skulan, J.; Depaolo, D. J. (1999). "Calcium isotope fractionation between soft and mineralized tissues as a monitor of calcium use in vertebrates". Proc Natl Acad Sci USA. 96 (24): 13709–13. Bibcode:1999PNAS...9613709S. doi:10.1073/pnas.96.24.13709. PMC 24129. PMID 10570137.
Balk EM, Adam GP, Langberg VN, Earley A, Clark P, Ebeling PR, Mithal A, Rizzoli R, Zerbini CA, Pierroz DD, Dawson-Hughes B (December 2017). "Global dietary calcium intake among adults: a systematic review". Osteoporosis International. 28 (12): 3315–24. doi:10.1007/s00198-017-4230-x. PMC 5684325. PMID 29026938.

ods.od.nih.gov

"Calcium: Fact Sheet for Health Professionals". Office of Dietary Supplements, US National Institutes of Health. 9 July 2019. Retrieved 31 August 2019.

oregonstate.edu (Global: 2,217^th place; English: 1,359^th place)

lpi.oregonstate.edu

"Calcium". Linus Pauling Institute, Oregon State University, Corvallis, Oregon. 1 September 2017. Retrieved 31 August 2019.

rug.nl (Global: 2,629^th place; English: 1,971^st place)

pure.rug.nl

Penafiel, J.; Maron, L.; Harder, S. (2014). "Early Main Group Metal Catalysis: How Important is the Metal?" (PDF). Angew. Chem. Int. Ed. 54 (1): 201–06. doi:10.1002/anie.201408814. PMID 25376952.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Cameron, A. G. W. (1973). "Abundance of the Elements in the Solar System" (PDF). Space Science Reviews. 15 (1): 121–46. Bibcode:1973SSRv...15..121C. doi:10.1007/BF00172440. S2CID 120201972.
Arnold, R.; et al. (NEMO-3 Collaboration) (2016). "Measurement of the double-beta decay half-life and search for the neutrinoless double-beta decay of ⁴⁸Ca with the NEMO-3 detector". Physical Review D. 93 (11) 112008. arXiv:1604.01710. Bibcode:2016PhRvD..93k2008A. doi:10.1103/PhysRevD.93.112008. S2CID 55485404.
Davy, H. (1808). "Electro-chemical researches on the decomposition of the earths; with observations on the metals obtained from the alkaline earths, and on the amalgam procured from ammonia". Philosophical Transactions of the Royal Society of London. 98: 333–70. Bibcode:1808RSPT...98..333D. doi:10.1098/rstl.1808.0023. S2CID 96364168.
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sigmaaldrich.com (Global: 774^th place; English: 2,799^th place)

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worldcat.org (Global: 4^th place; English: 4^th place)

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Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.

Calcium (English Wikipedia)

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