Gupta, Arvind K.; Kumar, Rajesh; Dubey, Devendra K.; Kaushik
Journal of Chemical Research, 2007 , # 6 p. 328 - 331

Kissling, Rebecca M.; Gagne, Michel R.
Journal of Organic Chemistry, 1999 , vol. 64, # 5 p. 1585 - 1590

Niyazymbetov, M. E.; Kostizella, B.; Keitel, I.; Schwartz, K. H.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 1.2 p. 182 - 186
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 1 p. 200 - 204

Niyazymbetov, M. E.; Kostizella, B.; Keitel, I.; Schwartz, K. H.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 1.2 p. 182 - 186
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 1 p. 200 - 204

Niyazymbetov, M. E.; Kostizella, B.; Keitel, I.; Schwartz, K. H.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 1.2 p. 182 - 186
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 1 p. 200 - 204

Petrov,K.A. et al.
J. Gen. Chem. USSR (Engl. Transl.), 1961 , vol. 31, p. 3174 - 3177,2962 - 2965

Bliznyuk,N.K. et al.
J. Gen. Chem. USSR (Engl. Transl.), 1967 , vol. 37, p. 1119 - 1122,1061 - 1063

Arbusow; Winogradowa
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1952 , p. 882,890; engl.Ausg.S.787,793