Kalinin, A. V.; Apasov, E. T.; Ioffe, S. L.; Kozyukov, V. P.; Kozyukov, Vik. P.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1985 , vol. 34, # 11 p. 2442 - 2443
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1985 , # 11 p. 2635 - 2636