Voronkov, M. G.; Yarosh, O. G.; Ivanova, Z. G.; Roman, V. K.; Albanov, A. I.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1987 , vol. 36, # 6 p. 1297 - 1299
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1987 , vol. 36, # 6 p. 1403 - 1406