Knunyants,I.L. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1961 , p. 1361 - 1366
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1961 , p. 1462 - 1468

Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , p. 1361 - 1366
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , p. 1462 - 1468

Knunyants,I.L. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1961 , p. 1361 - 1366
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1961 , p. 1462 - 1468