Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 30, # 7 p. 1332 - 1334
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 7 p. 1641 - 1643

Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 30, # 7 p. 1332 - 1334
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 7 p. 1641 - 1643