Загвар:Fricke1975
- ↑ Фрике, Бурхард (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. Татаж авсан: 2025-10-02.