Akhmetov,M.Kh. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1970 , p. 1555 - 1557
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1970 , p. 1649 - 1651

Akhmetov,M.Kh. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1970 , p. 1555 - 1557
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1970 , p. 1649 - 1651