Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , p. 1164 - 1167
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , p. 1252 - 1256

Kost,V.N.; Freidlina,R.Kh.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1961 , p. 1164 - 1167
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1961 , p. 1252 - 1256