Dovgan', N. L.; Likhotvorik, I. R.; Davidenko, N. P.; Yurchenko, A. G.
Journal of Organic Chemistry USSR (English Translation), 1982 , vol. 18, p. 1551 - 1552
Zhurnal Organicheskoi Khimii, 1982 , vol. 18, # 8 p. 1774 - 1775
Bishop, Roger; Parker, William; Stevenson, James Ronald
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 565 - 573