Kochetkov, N. K.; Malysheva, N. N.; Klimov, E. M.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1983 , vol. 32, # 5 p. 1056 - 1061
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1983 , # 5 p. 1170 - 1177