Raevskii, O. A.; Ignat'eva, T. I.; Novikov, V. P.; Solotnov, A. F.; Kron, T. E.; Tsvetkov, E. N.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1983 , vol. 32, # 5 p. 991 - 995
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1983 , # 5 p. 1095 - 1101