Krieck, Sven; Görls, Helmar; Westerhausen, Matthias (2010). „Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes”. Journal of the American Chemical Society. 132 (35): 12492—12501. PMID20718434. doi:10.1021/ja105534w.
Krieck, Sven; Görls, Helmar; Yu, Lian; Reiher, Markus; Westerhausen, Matthias (4. 2. 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. 13 (8): 2977—2985. doi:10.1021/ja808524y.
Jenter, Jelena; Köppe, Ralf; Roesky, Peter W. (2011). „2,5-Bis{N-(2,6-diisopropylphenyl)iminomethyl}pyrrolyl Complexes of the Heavy Alkaline Earth Metals: Synthesis, Structures, and Hydroamination Catalysis”. Organometallics. 30 (6): 1404—13. doi:10.1021/om100937c.
Arrowsmith, Merle; Crimmin, Mark R.; Barrett, Anthony G. M.; Hill, Michael S.; Kociok-Köhn, Gabriele; Procopiou, Panayiotis A. (2011). „Cation Charge Density and Precatalyst Selection in Group 2-Catalyzed Aminoalkene Hydroamination”. Organometallics. 30 (6): 1493—1506. doi:10.1021/om101063m.
Staff (1995). „H-K Project”. Mount Wilson Observatory. Приступљено 20. 5. 2015.
laborlexikon.de
„Calcium”. laborlexikon.de. Приступљено 21. 5. 2011.|first1= захтева |last1= у Authors list (помоћ)
nih.gov
ncbi.nlm.nih.gov
Krieck, Sven; Görls, Helmar; Westerhausen, Matthias (2010). „Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes”. Journal of the American Chemical Society. 132 (35): 12492—12501. PMID20718434. doi:10.1021/ja105534w.
Robertson, W. G.; Marshall, R. W. (1. 11. 1979). Calcium measurements in serum and plasma--total and ionized. 11. CRC Critical Reviews in Clinical Laboratory Sciences. стр. 271—304. PMID116800.