1. Neutron Deficient Radioactive Isotopes of Tantalum and Wolfram;Wilkinson;Phys. Rev.,1950
2. New Radioactive Isotopes Produced by Nuclear Photo-Disintegration;Butement,1951
3. Radiations from 178W;Bisi;Nuovo cimento,1956
4. Nuclear Decay Schemes of Some of the Isotopes of Tantalum;Felber,1956
5. UCRL-3618 (1956)