Buzykin, B. I.; Bredikhina, Z. A.; Molodykh, A. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 9.2 p. 1870 - 1871
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 9 p. 2111 - 2112