1. Deviations of Atomic Nucleus from Spherical Symmetry;Schuler;Z. Physik,1935
2. Further Progress on the Study of the Radioactive Isotopes of the Nd-Il-Sm Region;Kurbatov;Phys. Rev.,1942
3. β and γ-Ray Energies of Several Radioactive Isotopes;Miller;Phys. Rev.,1946
4. Study of the Active Isotopes of Gd and Tb;Ketelle,1949
5. Radioactive Isotopes of Gadolinium;Hein;Phys. Rev.,1950