Veselovskii, A. B.; Moiseenkov, A. M.; Filippova, T. M.; Obol'nikova, E. A.; Samokhvalov, G. I.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, # 3 p. 594 - 599
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 3 p. 695 - 701