Kandror, I.I.; Bragina, I.O.; Freidlina, R.Kh.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1984 , vol. 33, # 11 p. 2418 - 2421
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1984 , # 11 p. 2640 - 2642