Petrosyan, V. A.; Niyazymbetov, M. E.; Lyalin, B. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1987 , vol. 36, # 2 p. 269 - 274
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1987 , # 2 p. 306 - 312

Petrosyan, V. A.; Niyazymbetov, M. E.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, # 2 p. 289 - 294
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 2 p. 368 - 374