Mistryukov, E. A.; Korshevets, I. K.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1986 , vol. 35, # 3 p. 626 - 629
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1986 , # 3 p. 685 - 688