Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 31, # 6 p. 1235 - 1236
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 6 p. 1386 - 1388
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 31, # 6 p. 1235 - 1236
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 6 p. 1386 - 1388