Zav'yalov, S. I.; Sitkareva, I. V.; Ezhova, G. I.; Dorofeeva, O. V.; Zavozin, A. G.; Rumyantseva, E. E.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1990 , vol. 39, # 6 p. 1297 - 1299
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1990 , # 6 p. 1435 - 1437