Butin, K. P.; Magdesieva, T. V.; Reutov, O. A.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1987 , vol. 36, p. 1012 - 1016
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1987 , vol. 36, # 5 p. 1097 - 1101