Ogibin, Yu. N.; Elinson, M. N.; Nikishin, G. I.; Kadentsev, V. I.; Chizhov, O. S.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1980 , vol. 29, # 8 p. 1320 - 1329
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1980 , # 8 p. 1842 - 1853