Sokolenko, V. A.; Svirskaya, N. M.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1984 , vol. 33, # 7 p. 1541 - 1542
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1984 , # 7 p. 1677