Golovchenko, L. S.; Pombrik, S. I.; Peregudov, A. S.; Kravtsov, D. N.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1985 , vol. 34, # 3 p. 610 - 613
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1985 , # 3 p. 668 - 672