1. N. P. Glazkov, PTÉ, No. 4, 96 (1957); A. I. Abramov, PTÉ, No. 4, 56 (1959).
2. I. V. Gordeev, D. A. Kardashev, and A. V. Malyshev. Handbook on Nuclear Physical constants for Reactor Designs [in Russian], Atomizdat, Moscow (1960).
3. B. S. Dzhelepov and L. K. Peker, Decay Schemes of Radioactive Nuclei [in Russian], Izd. AN SSSR, Moscow (1958).