Moroz, A. A.; Piskunov, A. V.; Shvartsberg, M. S.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 2 p. 304 - 308
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , # 2 p. 386 - 390