Bitiev, Sh. G.; Chel'tsova, G. V.; Karpeiskaya, E. I.; Klabunovskii, E. I.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1986 , vol. 35, # 11 p. 2267 - 2272
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1986 , # 11 p. 2479 - 2485