Sonzogni, Alejandro A. (Database Manager): Chart of Nuclides. National Nuclear Data Center, Brookhaven National Laboratory (2008). Arkivita el la originalo je 2011-07-21. Alirita 2022-12-20.
Fields, P. R.; Studier, M. H.; Diamond, H.; Mech ,J.; Inghram, M.; Pyle, G.; Stevens, C.; Fried, S.; Manning, W (1956). “Transplutonium Elements in Thermonuclear Test Debris”, Physical Review102 (1), p. 180–182. doi:10.1103/PhysRev.102.180. Bibkodo:1956PhRv..102..180F.
Gopka, V. F.; Yushchenko, =A. V.; Yushchenko, V. A.; Panov, I. V.; Kim, Ch. (15-a majo 2008). “Identification of absorption lines of short half-life actinides in the spectrum of Przybylski's star (HD 101065)”, Kinematics and Physics of Celestial Bodies24 (2), p. 89–98. doi:10.3103/S0884591308020049. Bibkodo:2008KPCB...24...89G.
Fields, P. R.; Studier, M. H.; Diamond, H.; Mech ,J.; Inghram, M.; Pyle, G.; Stevens, C.; Fried, S.; Manning, W (1956). “Transplutonium Elements in Thermonuclear Test Debris”, Physical Review102 (1), p. 180–182. doi:10.1103/PhysRev.102.180. Bibkodo:1956PhRv..102..180F.
Gopka, V. F.; Yushchenko, =A. V.; Yushchenko, V. A.; Panov, I. V.; Kim, Ch. (15-a majo 2008). “Identification of absorption lines of short half-life actinides in the spectrum of Przybylski's star (HD 101065)”, Kinematics and Physics of Celestial Bodies24 (2), p. 89–98. doi:10.3103/S0884591308020049. Bibkodo:2008KPCB...24...89G.
Sonzogni, Alejandro A. (Database Manager): Chart of Nuclides. National Nuclear Data Center, Brookhaven National Laboratory (2008). Arkivita el la originalo je 2011-07-21. Alirita 2022-12-20.