Gafurov,R.G. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1970 , p. 329 - 332
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1970 , # 2 p. 383 - 387

Adolph,H.G.; Kamlet,M.J.
Journal of Organic Chemistry, 1969 , vol. 34, p. 45 - 50

Gilligan,W.H.
Journal of Organic Chemistry, 1971 , vol. 36, p. 2138 - 2141

Gafurov,R.G. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1970 , p. 329 - 332
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1970 , # 2 p. 383 - 387

Gafurov,R.G. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1971 , vol. 20, p. 2480 - 2482
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1971 , vol. 20, p. 2606 - 2608