1. Die Bestimmung der lomisierungsarbeit an Stickstoff und Luft mit Po-α-Teilchen;Alder;Helv. Phys. Acta,1947
2. K. Street, Jr., A. Ghiarso, D.A. Orth, G.T. Seaborg—Priv. Comm., quoted by 58ST50, unpublished (1948)
3. The U234 Content of Natural Uranium and the Specific Alpha-Activities of the Isotopes;Kienberger;Phys. Rev.,1949
4. Spectrometer and Coincidence Studies on Np-238;Freedman;Phys. Rev.,1950
5. The Isotopes of Americium;Street;Phys. Rev.,1950