Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 32, p. 1444 - 1447
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 7 p. 1593 - 1596
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 32, p. 1444 - 1447
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 7 p. 1593 - 1596