Turchaninov, V. K.; Danovich, D. K.; Ermikov, A. F.; Zakzhevskii, V. G.; Es'kova, L. A.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 11.1 p. 2181 - 2184
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 11 p. 2503 - 2507