Nesmejanow et al.
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1951 , p. 518,521
Doklady Akademii Nauk SSSR, 1954 , vol. 94, p. 249,252
Chem.Abstr., 1952 , p. 7038,1955 3000
Nikischin,G.I.; Dyusenov,M.I.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1967 , p. 787 - 792
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1967 , # 4 p. 819 - 824