Zeifman, Yu. V.; Lantseva, L. T.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1983 , vol. 32, # 9 p. 1941 - 1943
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1983 , # 9 p. 2149 - 2151