Shostakovskii,M.F. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1967 , p. 2403 - 2405
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1967 , # 11 p. 2526 - 2530
Shostakovskii,M.F. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1967 , p. 2403 - 2405
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1967 , # 11 p. 2526 - 2530