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Basenko, S. V.; Gebel', I. A.; Toryashinova, D. D.; Vitkovskii, V. Yu.; Mirskov, R. G.; Voronkov, M. G.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 5.2 p. 1039 - 1042
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , vol. 40, # 5 p. 1159 - 1162