Timokhin, B. V.; Dmitriev, V. K.; Dmitrichenko, M. Yu.; Dolgushin, G. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. <1.2> 40, p. 170 - 172
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 1 p. 187 - 189