Cambie, Richard C.; Chambers, David; Rutledge, Peter S.; Woodgate, Paul D.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 40 - 51
Sergeev, V. N.; Artamkin, S. A.; Pestunovich, S. V.; Albanov, A. I.; Voronkov, M. G.; Baukov, Yu. I.
J. Gen. Chem. USSR (Engl. Transl.), 1992 , vol. 62, # 8 p. 1813 - 1823,1490 - 1497