Kostyanovskii, R. G.; Prosyanik, A. V.; Mishchenko, A. I.; Zaichenko, N. L.; Chervin, I. I.; Markov, V. I.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1980 , vol. 29, # 4 p. 632 - 637
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1980 , # 4 p. 882 - 888