Padron:Fricke1975/cite journal
Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. Structure and Bonding. 21: 89–144. doi:10.1007/BFb0116498. ISBN 978-3-540-07109-9. Nakuha noong 4 Oktubre 2013.{{cite journal}}: CS1 maint: date auto-translated (link)
