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. doi:10.1021/ja105534w. PMID20718434.
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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. doi:10.1021/ja105534w. PMID20718434.