1. Radioactivity of Mo91 and Mo93;Duffield;Phys. Rev.,1949
2. Mass Assignment of the Chain 65d Zr95-35d Nb95 and Notes on Other Niobium Activities;Jacobson;NNES,1950
3. Sixty-Day Isomer in Cb91;Ovadia;Phys. Rev.,1951
4. Termschemata einiger Niobisotope;Preiswerk;Helv. Phys. Acta,1951
5. The Disintegration of Sr91 and Y91m;Ames;Phys. Rev.,1953