Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 31, # 10 p. 2096 - 2099
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 10 p. 2380 - 2383

Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 31, # 10 p. 2096 - 2099
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 10 p. 2380 - 2383