Nikonorov, K. V.; Gurylev, E. A.; Mertsalova, F. F.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 1 p. 161 - 166
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , # 1 p. 182 - 187