Etlis, I.V.; Fomin, V.A.; Nozrina, F.D.
Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 11.1 p. 2010 - 2015
Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 11 p. 2269 - 2275