Kuz'menko, V. V.; Gulevskaya, A. V.; Pozharskii, A. F.; Beznisko, S. A.; Porshnev, S. V.
Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 11.2 p. 2162 - 2167
Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 11 p. 2434 - 2441