Terent'ev, A. B.; Moskalenko, M. A.; Freidlina, R. Kh. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1985 , vol. 34, # 8 p. 1648 - 1652 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1985 , # 8 p. 1800 - 1804