^ أبتثجحHaire, Richard G. (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. pp. 1724, 1728. ISBN1-4020-3555-1.{{cite book}}: CS1 maint: ref duplicates default (link)
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