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↑ 3.03.1Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11).Bircode, doi, 17/11/2018.
↑Düllmann, Christoph E. (31 October 2008). "Investigation of group 8 metallocenes @ TASCA"(PDF). 7th Workshop on Recoil Separator for Superheavy Element Chemistry TASCA 08. Gesellschaft für Schwerionenforschung. Archived from the original(PDF) on 5 March 2012. 25 March 2013 chhà-khon.
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