Korshak, V. V.; Shukurov, G. I.; Kutenov, D. F.; Pankratov, V. A.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 7 p. 1314 - 1315
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , # 7 p. 1623 - 1624