by Dubrovski, V. B., Lavdanski, P. A., Solv'ev, V. N., Kulakovski, M. Ya, Mirenkov, A. F.
Published in Soviet Atomic Energy (01.02.1967)

by Bykova, M A, Solv'ev, V N, Berezhinskaia, V V, Egorenko, G G, Dolgova, G V
Published in Antibiotiki (01.06.1976)