Tolmacheva,G.M. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1976 , vol. 25, p. 1845 - 1849
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1976 , vol. 25, p. 1963 - 1968

Tolmacheva,G.M. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1976 , vol. 25, p. 1845 - 1849
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1976 , vol. 25, p. 1963 - 1968