Komissarova, N. L.; Belostotskaya, I. S.; Vol'eva, V. B.; Dzhuaryan, E. V.; Novikova, I. A.; Ershov, V. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 10 p. 1944 - 1946
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , # 10 p. 2360 - 2362