D'yachenko, A. I.; Korneva, O. S.; Abramova, N. M.; Nefedov, O. M.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1984 , vol. 33, # 12 p. 2583 - 2584
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1984 , # 12 p. 2818 - 2820