1. J.R. Kosak, Catalysis of organic reactions, in: Proceedings of the 9th Conference on Catalysis of Organic Reactions, Marcel Dekker, New York, 1984, pp. 335–375.
2. R.N. Rylander, Catalytic Hydrogenation in Organic Synthesis, Academic Press, New York, 1979, pp. 124–126.
3. DE 195 21 587, Bayer AG, 1995.