3族元素 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "3族元素" in Chinese language version.

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25web.archive.org

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20doi.org

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8harvard.edu

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6semanticscholar.org

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4nih.gov

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3archive.org

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3environmentalchemistry.com

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3iupac.org

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2rsc.org

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2uc.edu

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2chemicalbook.com

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2usgs.gov

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2helsinki.fi

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1lanl.gov

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1webelements.com

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1unl.edu

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1handle.net

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1nags.net

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1fnal.gov

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1geoscienceworld.org

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1rareelementresources.com

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1mineralinfo.org

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1scientificamerican.com

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1lenntech.com

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1osha.gov

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archive.org

William B. Jensen. The Positions of Lanthanum (Actinium) and Lutetium (Lawrencium) in the Periodic Table. J. Chem. Educ. 1982, 59 (8): 634–636. Bibcode:1982JChEd..59..634J. doi:10.1021/ed059p634.
Lavelle, Laurence. Lanthanum (La) and Actinium (Ac) Should Remain in the d-block. Journal of Chemical Education. 2008, 85 (11): 1482–1483. Bibcode:2008JChEd..85.1482L. doi:10.1021/ed085p1482.
Stwertka, Albert. Yttrium. Guide to the Elements Revised. Oxford University Press. 1998: 115–116. ISBN 0-19-508083-1.

chemicalbook.com

Barbalace, Kenneth. Scandium. Chemical Book. [2011-05-18]. （原始内容存档于2023-04-19）.
Barbalace, Kenneth. Yttrium. Chemical Book. [2011-05-18]. （原始内容存档于2022-11-14）.

doi.org

Jensen, William B. The positions of lanthanum (actinium) and lutetium (lawrencium) in the periodic table: an update. Foundations of Chemistry. 2015, 17: 23–31 [2021-01-28]. S2CID 98624395. doi:10.1007/s10698-015-9216-1. （原始内容存档于2021-01-30）.
Fluck, E. New Notations in the Periodic Table (PDF). Pure Appl. Chem. 1988, 60 (3): 431–436 [2012-03-24]. S2CID 96704008. doi:10.1351/pac198860030431. （原始内容存档 (PDF)于2012-03-25）.
William B. Jensen. The Positions of Lanthanum (Actinium) and Lutetium (Lawrencium) in the Periodic Table. J. Chem. Educ. 1982, 59 (8): 634–636. Bibcode:1982JChEd..59..634J. doi:10.1021/ed059p634.
Wittig, Jörg. The pressure variable in solid state physics: What about 4f-band superconductors?. H. J. Queisser (编). Festkörper Probleme: Plenary Lectures of the Divisions Semiconductor Physics, Surface Physics, Low Temperature Physics, High Polymers, Thermodynamics and Statistical Mechanics, of the German Physical Society, Münster, March 19–24, 1973. Advances in Solid State Physics 13. Berlin, Heidelberg: Springer. 1973: 375–396. ISBN 978-3-528-08019-8. doi:10.1007/BFb0108579.
Scerri, Eric. Provisional Report on Discussions on Group 3 of the Periodic Table (PDF). Chemistry International. 2021-01-18, 43 (1): 31–34 [2021-04-09]. S2CID 231694898. doi:10.1515/ci-2021-0115. （原始内容存档 (PDF)于2021-04-13）.
Thyssen, P.; Binnemans, K. Gschneidner, K. A. Jr.; Bünzli, J-C.G; Vecharsky, Bünzli , 编. Accommodation of the Rare Earths in the Periodic Table: A Historical Analysis 41. Amsterdam: Elsevier. 2011: 1–94. ISBN 978-0-444-53590-0. doi:10.1016/B978-0-444-53590-0.00001-7. |journal=被忽略 (帮助)
Barber, Robert C.; Karol, Paul J; Nakahara, Hiromichi; Vardaci, Emanuele; Vogt, Erich W. Discovery of the elements with atomic numbers greater than or equal to 113 (IUPAC Technical Report). Pure Appl. Chem. 2011, 83 (7): 1485. doi:10.1351/PAC-REP-10-05-01 .
Karol, Paul J.; Barber, Robert C.; Sherrill, Bradley M.; Vardaci, Emanuele; Yamazaki, Toshimitsu. Discovery of the elements with atomic numbers Z = 113, 115 and 117 (IUPAC Technical Report). Pure Appl. Chem. 2015-12-22, 88 (1–2): 139–153. doi:10.1515/pac-2015-0502 .
Pyykkö, Pekka. An essay on periodic tables (PDF). Pure and Applied Chemistry. 2019, 91 (12): 1959–1967 [2022-11-27]. S2CID 203944816. doi:10.1515/pac-2019-0801. （原始内容存档 (PDF)于2023-02-06）.
Lavelle, Laurence. Lanthanum (La) and Actinium (Ac) Should Remain in the d-block. Journal of Chemical Education. 2008, 85 (11): 1482–1483. Bibcode:2008JChEd..85.1482L. doi:10.1021/ed085p1482.
Eliav, E.; Kaldor, U.; Ishikawa, Y. Transition energies of ytterbium, lutetium, and lawrencium by the relativistic coupled-cluster method. Phys. Rev. A. 1995, 52 (1): 291–296. Bibcode:1995PhRvA..52..291E. PMID 9912247. doi:10.1103/PhysRevA.52.291.
Zou, Yu; Froese, Fischer C. Resonance Transition Energies and Oscillator Strengths in Lutetium and Lawrencium. Phys. Rev. Lett. 2002, 88 (18): 183001 [2023-04-05]. Bibcode:2001PhRvL..88b3001M. PMID 12005680. S2CID 18391594. doi:10.1103/PhysRevLett.88.023001. （原始内容存档于2022-05-10）.
Xu, W-H.; Pyykkö, P. Is the chemistry of lawrencium peculiar? (PDF). Physical Chemistry Chemical Physics. 2016, 18 (26): 17351–17355. Bibcode:2016PCCP...1817351X. PMID 27314425. S2CID 31224634. doi:10.1039/C6CP02706G. hdl:10138/224395 .
Fournier, Jean-Marc. Bonding and the electronic structure of the actinide metals. Journal of Physics and Chemistry of Solids. 1976, 37 (2): 235–244. Bibcode:1976JPCS...37..235F. doi:10.1016/0022-3697(76)90167-0.
Penneman, R. A.; Mann, J. B. 'Calculation chemistry' of the superheavy elements; comparison with elements of the 7th period. Proceedings of the Moscow Symposium on the Chemistry of Transuranium Elements. 1976: 257–263. doi:10.1016/B978-0-08-020638-7.50053-1.
Östlin, A.; Vitos, L. First-principles calculation of the structural stability of 6d transition metals. Physical Review B. 2011, 84 (11): 113104. Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
Jørgensen, Christian K. Influence of rare earths on chemical understanding and classification. Handbook on the Physics and Chemistry of Rare Earths 11. 1988: 197–292. ISBN 9780444870803. doi:10.1016/S0168-1273(88)11007-6.
von Knorring, O.; Condliffe, E. Mineralized pegmatites in Africa. Geological Journal. 1987, 22: 253. doi:10.1002/gj.3350220619.
Morteani, Giulio. The rare earths; their minerals, production and technical use. European Journal of Mineralogy. 1991, 3 (4): 641–650 [2023-04-06]. Bibcode:1991EJMin...3..641M. doi:10.1127/ejm/3/4/0641. （原始内容存档于2011-10-24）.
MacDonald, N. S.; Nusbaum, R. E.; Alexander, G. V. The Skeletal Deposition of Yttrium (PDF). Journal of Biological Chemistry. 1952, 195 (2): 837–841 [2023-04-06]. PMID 14946195. doi:10.1016/S0021-9258(18)55794-X . （原始内容 (PDF)存档于2009-03-26）.

environmentalchemistry.com

Barbalace, Kenneth. Periodic Table of Elements Sorted by Boiling Point. Environmental Chemistry.com. [2011-05-18].
Barbalace, Kenneth. Periodic Table of Elements Sorted by Melting Point. Environmental Chemistry.com. [2011-05-18].
Barbalace, Kenneth. Periodic Table of Elements. Environmental Chemistry.com. [2007-04-14].

fnal.gov

www-d0.fnal.gov

Hammond, C. R. Yttrium (PDF). The Elements. Fermi National Accelerator Laboratory. 1985: 4–33 [2008-08-26]. ISBN 978-0-04-910081-7. （原始内容 (PDF)存档于2008-06-26）.

geoscienceworld.org

eurjmin.geoscienceworld.org

Morteani, Giulio. The rare earths; their minerals, production and technical use. European Journal of Mineralogy. 1991, 3 (4): 641–650 [2023-04-06]. Bibcode:1991EJMin...3..641M. doi:10.1127/ejm/3/4/0641. （原始内容存档于2011-10-24）.

handle.net

hdl.handle.net

Xu, W-H.; Pyykkö, P. Is the chemistry of lawrencium peculiar? (PDF). Physical Chemistry Chemical Physics. 2016, 18 (26): 17351–17355. Bibcode:2016PCCP...1817351X. PMID 27314425. S2CID 31224634. doi:10.1039/C6CP02706G. hdl:10138/224395 .

harvard.edu

ui.adsabs.harvard.edu

William B. Jensen. The Positions of Lanthanum (Actinium) and Lutetium (Lawrencium) in the Periodic Table. J. Chem. Educ. 1982, 59 (8): 634–636. Bibcode:1982JChEd..59..634J. doi:10.1021/ed059p634.
Lavelle, Laurence. Lanthanum (La) and Actinium (Ac) Should Remain in the d-block. Journal of Chemical Education. 2008, 85 (11): 1482–1483. Bibcode:2008JChEd..85.1482L. doi:10.1021/ed085p1482.
Eliav, E.; Kaldor, U.; Ishikawa, Y. Transition energies of ytterbium, lutetium, and lawrencium by the relativistic coupled-cluster method. Phys. Rev. A. 1995, 52 (1): 291–296. Bibcode:1995PhRvA..52..291E. PMID 9912247. doi:10.1103/PhysRevA.52.291.
Zou, Yu; Froese, Fischer C. Resonance Transition Energies and Oscillator Strengths in Lutetium and Lawrencium. Phys. Rev. Lett. 2002, 88 (18): 183001 [2023-04-05]. Bibcode:2001PhRvL..88b3001M. PMID 12005680. S2CID 18391594. doi:10.1103/PhysRevLett.88.023001. （原始内容存档于2022-05-10）.
Xu, W-H.; Pyykkö, P. Is the chemistry of lawrencium peculiar? (PDF). Physical Chemistry Chemical Physics. 2016, 18 (26): 17351–17355. Bibcode:2016PCCP...1817351X. PMID 27314425. S2CID 31224634. doi:10.1039/C6CP02706G. hdl:10138/224395 .
Fournier, Jean-Marc. Bonding and the electronic structure of the actinide metals. Journal of Physics and Chemistry of Solids. 1976, 37 (2): 235–244. Bibcode:1976JPCS...37..235F. doi:10.1016/0022-3697(76)90167-0.
Östlin, A.; Vitos, L. First-principles calculation of the structural stability of 6d transition metals. Physical Review B. 2011, 84 (11): 113104. Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
Morteani, Giulio. The rare earths; their minerals, production and technical use. European Journal of Mineralogy. 1991, 3 (4): 641–650 [2023-04-06]. Bibcode:1991EJMin...3..641M. doi:10.1127/ejm/3/4/0641. （原始内容存档于2011-10-24）.

helsinki.fi

chem.helsinki.fi

Pyykkö, Pekka. An essay on periodic tables (PDF). Pure and Applied Chemistry. 2019, 91 (12): 1959–1967 [2022-11-27]. S2CID 203944816. doi:10.1515/pac-2019-0801. （原始内容存档 (PDF)于2023-02-06）.

helda.helsinki.fi

Xu, W-H.; Pyykkö, P. Is the chemistry of lawrencium peculiar? (PDF). Physical Chemistry Chemical Physics. 2016, 18 (26): 17351–17355. Bibcode:2016PCCP...1817351X. PMID 27314425. S2CID 31224634. doi:10.1039/C6CP02706G. hdl:10138/224395 .

iupac.org

Fluck, E. New Notations in the Periodic Table (PDF). Pure Appl. Chem. 1988, 60 (3): 431–436 [2012-03-24]. S2CID 96704008. doi:10.1351/pac198860030431. （原始内容存档 (PDF)于2012-03-25）.
Scerri, Eric. Provisional Report on Discussions on Group 3 of the Periodic Table (PDF). Chemistry International. 2021-01-18, 43 (1): 31–34 [2021-04-09]. S2CID 231694898. doi:10.1515/ci-2021-0115. （原始内容存档 (PDF)于2021-04-13）.

old.iupac.org

Periodic Table of the Elements. IUPAC. [2009-07-17]. （原始内容存档于2008-12-02）.

jbc.org

MacDonald, N. S.; Nusbaum, R. E.; Alexander, G. V. The Skeletal Deposition of Yttrium (PDF). Journal of Biological Chemistry. 1952, 195 (2): 837–841 [2023-04-06]. PMID 14946195. doi:10.1016/S0021-9258(18)55794-X . （原始内容 (PDF)存档于2009-03-26）.

lanl.gov

periodic.lanl.gov

Periodic Table of Elements. Los Alamos National Laboratory's Chemistry Division. [2009-07-17]. （原始内容存档于2008-01-10）.

lenntech.com

Lenntech. Scandium (Sc) — chemical properties of scandium, health effects of scandium, environmental effects of scandium. Lenntech. 1998 [2011-05-21]. （原始内容存档于2011-09-17）.

mineralinfo.org

Deschamps, Y. Scandium (PDF). mineralinfo.com. [2008-10-21]. （原始内容 (PDF)存档于2009-02-25）.

nags.net

Kristiansen, Roy. Scandium – Mineraler I Norge (PDF). Stein. 2003: 14–23. （原始内容 (PDF)存档于2010-10-08）（挪威语）.

nih.gov

ncbi.nlm.nih.gov

Eliav, E.; Kaldor, U.; Ishikawa, Y. Transition energies of ytterbium, lutetium, and lawrencium by the relativistic coupled-cluster method. Phys. Rev. A. 1995, 52 (1): 291–296. Bibcode:1995PhRvA..52..291E. PMID 9912247. doi:10.1103/PhysRevA.52.291.
Zou, Yu; Froese, Fischer C. Resonance Transition Energies and Oscillator Strengths in Lutetium and Lawrencium. Phys. Rev. Lett. 2002, 88 (18): 183001 [2023-04-05]. Bibcode:2001PhRvL..88b3001M. PMID 12005680. S2CID 18391594. doi:10.1103/PhysRevLett.88.023001. （原始内容存档于2022-05-10）.
Xu, W-H.; Pyykkö, P. Is the chemistry of lawrencium peculiar? (PDF). Physical Chemistry Chemical Physics. 2016, 18 (26): 17351–17355. Bibcode:2016PCCP...1817351X. PMID 27314425. S2CID 31224634. doi:10.1039/C6CP02706G. hdl:10138/224395 .
MacDonald, N. S.; Nusbaum, R. E.; Alexander, G. V. The Skeletal Deposition of Yttrium (PDF). Journal of Biological Chemistry. 1952, 195 (2): 837–841 [2023-04-06]. PMID 14946195. doi:10.1016/S0021-9258(18)55794-X . （原始内容 (PDF)存档于2009-03-26）.

osha.gov

OSHA contributors. Occupational Safety and Health Guideline for Yttrium and Compounds. United States Occupational Safety and Health Administration. 2007-01-11 [2008-08-03]. （原始内容存档于2013-03-02）. （公有領域）

rareelementresources.com

Castor, Stephen B.; Hedrick, James B. Rare Earth Elements (PDF). [2009-06-06]. （原始内容存档 (PDF)于2009-10-07）.

rsc.org

Periodic Table – Royal Society of Chemistry. www.rsc.org. [2018-04-09]. （原始内容存档于2016-04-10）（英语）.
Johnson, David. The Periodic Law (PDF). The Royal Society of Chemistry. 1984 [2023-04-05]. ISBN 0-85186-428-7. （原始内容存档 (PDF)于2022-03-31）.

scientificamerican.com

Clara Moskowitz. Superheavy Element 117 Points to Fabled "Island of Stability" on Periodic Table. Scientific American. 2014-05-07 [2014-05-08]. （原始内容存档于2014-05-09）.

semanticscholar.org

api.semanticscholar.org

Jensen, William B. The positions of lanthanum (actinium) and lutetium (lawrencium) in the periodic table: an update. Foundations of Chemistry. 2015, 17: 23–31 [2021-01-28]. S2CID 98624395. doi:10.1007/s10698-015-9216-1. （原始内容存档于2021-01-30）.
Fluck, E. New Notations in the Periodic Table (PDF). Pure Appl. Chem. 1988, 60 (3): 431–436 [2012-03-24]. S2CID 96704008. doi:10.1351/pac198860030431. （原始内容存档 (PDF)于2012-03-25）.
Scerri, Eric. Provisional Report on Discussions on Group 3 of the Periodic Table (PDF). Chemistry International. 2021-01-18, 43 (1): 31–34 [2021-04-09]. S2CID 231694898. doi:10.1515/ci-2021-0115. （原始内容存档 (PDF)于2021-04-13）.
Pyykkö, Pekka. An essay on periodic tables (PDF). Pure and Applied Chemistry. 2019, 91 (12): 1959–1967 [2022-11-27]. S2CID 203944816. doi:10.1515/pac-2019-0801. （原始内容存档 (PDF)于2023-02-06）.
Zou, Yu; Froese, Fischer C. Resonance Transition Energies and Oscillator Strengths in Lutetium and Lawrencium. Phys. Rev. Lett. 2002, 88 (18): 183001 [2023-04-05]. Bibcode:2001PhRvL..88b3001M. PMID 12005680. S2CID 18391594. doi:10.1103/PhysRevLett.88.023001. （原始内容存档于2022-05-10）.
Xu, W-H.; Pyykkö, P. Is the chemistry of lawrencium peculiar? (PDF). Physical Chemistry Chemical Physics. 2016, 18 (26): 17351–17355. Bibcode:2016PCCP...1817351X. PMID 27314425. S2CID 31224634. doi:10.1039/C6CP02706G. hdl:10138/224395 .

springer.com

link.springer.com

Jensen, William B. The positions of lanthanum (actinium) and lutetium (lawrencium) in the periodic table: an update. Foundations of Chemistry. 2015, 17: 23–31 [2021-01-28]. S2CID 98624395. doi:10.1007/s10698-015-9216-1. （原始内容存档于2021-01-30）.

uc.edu

che.uc.edu

Jensen, William B. The Periodic Law and Table (PDF). 2000 [2022-12-10]. （原始内容 (PDF)存档于2020-11-10）.
Jensen, W. B. Some Comments on the Position of Lawrencium in the Periodic Table (PDF). 2015 [2015-09-20]. （原始内容 (PDF)存档于2015-12-23）.

unl.edu

digitalcommons.unl.edu

Zou, Yu; Froese, Fischer C. Resonance Transition Energies and Oscillator Strengths in Lutetium and Lawrencium. Phys. Rev. Lett. 2002, 88 (18): 183001 [2023-04-05]. Bibcode:2001PhRvL..88b3001M. PMID 12005680. S2CID 18391594. doi:10.1103/PhysRevLett.88.023001. （原始内容存档于2022-05-10）.

usgs.gov

minerals.usgs.gov

Hedrick, James B. Rare-Earth Metals (PDF). USGS. [2009-06-06]. （原始内容存档 (PDF)于2011-01-10）.
Mineral Commodity Summaries 2010: Yttrium (PDF). United States Geological Survey. [2011-07-07]. （原始内容存档 (PDF)于2019-01-11）.

web.archive.org

Periodic Table of Elements. Los Alamos National Laboratory's Chemistry Division. [2009-07-17]. （原始内容存档于2008-01-10）.
Home of the periodic table. The University of Sheffield and WebElements Ltd, UK. [2009-07-17]. （原始内容存档于2014-01-04）.
Periodic Table of the Elements. IUPAC. [2009-07-17]. （原始内容存档于2008-12-02）.
Periodic Table – Royal Society of Chemistry. www.rsc.org. [2018-04-09]. （原始内容存档于2016-04-10）（英语）.
Jensen, William B. The positions of lanthanum (actinium) and lutetium (lawrencium) in the periodic table: an update. Foundations of Chemistry. 2015, 17: 23–31 [2021-01-28]. S2CID 98624395. doi:10.1007/s10698-015-9216-1. （原始内容存档于2021-01-30）.
Fluck, E. New Notations in the Periodic Table (PDF). Pure Appl. Chem. 1988, 60 (3): 431–436 [2012-03-24]. S2CID 96704008. doi:10.1351/pac198860030431. （原始内容存档 (PDF)于2012-03-25）.
Scerri, Eric. Provisional Report on Discussions on Group 3 of the Periodic Table (PDF). Chemistry International. 2021-01-18, 43 (1): 31–34 [2021-04-09]. S2CID 231694898. doi:10.1515/ci-2021-0115. （原始内容存档 (PDF)于2021-04-13）.
Pyykkö, Pekka. An essay on periodic tables (PDF). Pure and Applied Chemistry. 2019, 91 (12): 1959–1967 [2022-11-27]. S2CID 203944816. doi:10.1515/pac-2019-0801. （原始内容存档 (PDF)于2023-02-06）.
Johnson, David. The Periodic Law (PDF). The Royal Society of Chemistry. 1984 [2023-04-05]. ISBN 0-85186-428-7. （原始内容存档 (PDF)于2022-03-31）.
Jensen, William B. The Periodic Law and Table (PDF). 2000 [2022-12-10]. （原始内容 (PDF)存档于2020-11-10）.
Zou, Yu; Froese, Fischer C. Resonance Transition Energies and Oscillator Strengths in Lutetium and Lawrencium. Phys. Rev. Lett. 2002, 88 (18): 183001 [2023-04-05]. Bibcode:2001PhRvL..88b3001M. PMID 12005680. S2CID 18391594. doi:10.1103/PhysRevLett.88.023001. （原始内容存档于2022-05-10）.
Jensen, W. B. Some Comments on the Position of Lawrencium in the Periodic Table (PDF). 2015 [2015-09-20]. （原始内容 (PDF)存档于2015-12-23）.
Barbalace, Kenneth. Scandium. Chemical Book. [2011-05-18]. （原始内容存档于2023-04-19）.
Barbalace, Kenneth. Yttrium. Chemical Book. [2011-05-18]. （原始内容存档于2022-11-14）.
Kristiansen, Roy. Scandium – Mineraler I Norge (PDF). Stein. 2003: 14–23. （原始内容 (PDF)存档于2010-10-08）（挪威语）.
Hammond, C. R. Yttrium (PDF). The Elements. Fermi National Accelerator Laboratory. 1985: 4–33 [2008-08-26]. ISBN 978-0-04-910081-7. （原始内容 (PDF)存档于2008-06-26）.
Morteani, Giulio. The rare earths; their minerals, production and technical use. European Journal of Mineralogy. 1991, 3 (4): 641–650 [2023-04-06]. Bibcode:1991EJMin...3..641M. doi:10.1127/ejm/3/4/0641. （原始内容存档于2011-10-24）.
Hedrick, James B. Rare-Earth Metals (PDF). USGS. [2009-06-06]. （原始内容存档 (PDF)于2011-01-10）.
Castor, Stephen B.; Hedrick, James B. Rare Earth Elements (PDF). [2009-06-06]. （原始内容存档 (PDF)于2009-10-07）.
Deschamps, Y. Scandium (PDF). mineralinfo.com. [2008-10-21]. （原始内容 (PDF)存档于2009-02-25）.
Mineral Commodity Summaries 2010: Yttrium (PDF). United States Geological Survey. [2011-07-07]. （原始内容存档 (PDF)于2019-01-11）.
Clara Moskowitz. Superheavy Element 117 Points to Fabled "Island of Stability" on Periodic Table. Scientific American. 2014-05-07 [2014-05-08]. （原始内容存档于2014-05-09）.
Lenntech. Scandium (Sc) — chemical properties of scandium, health effects of scandium, environmental effects of scandium. Lenntech. 1998 [2011-05-21]. （原始内容存档于2011-09-17）.
MacDonald, N. S.; Nusbaum, R. E.; Alexander, G. V. The Skeletal Deposition of Yttrium (PDF). Journal of Biological Chemistry. 1952, 195 (2): 837–841 [2023-04-06]. PMID 14946195. doi:10.1016/S0021-9258(18)55794-X . （原始内容 (PDF)存档于2009-03-26）.
OSHA contributors. Occupational Safety and Health Guideline for Yttrium and Compounds. United States Occupational Safety and Health Administration. 2007-01-11 [2008-08-03]. （原始内容存档于2013-03-02）. （公有領域）

webelements.com

Home of the periodic table. The University of Sheffield and WebElements Ltd, UK. [2009-07-17]. （原始内容存档于2014-01-04）.