Radioactive Isotopes Fo the Rare Earths. 1, Experimental Techniques and Thulium IsotopesGeoffrey. Wilkinson1948
Beta-particle-orbital Electron Capture Branching and "Missing" Beta Stable IsotopsGeoffrey. Wilkinson1948EN
Radioactive Isotopes of the Rare Earth Elements. III, Lutecium Isotopes and Hafnium IsotopesGeoffrey. Wilkinson1949EN