1. O. Roelen, DE Patent No. 849 548 (1938).
2. Rhodium Catalyzed Hydroformylation, Ed. by P.W.N.M. van Leeuwen and C. Claver (Kluwer Academic, New York, 2000).
3. Applied Homogeneous Catalysis with Organometallic Compounds, Ed. by C. W. Kohlpaintner, H. W. Bohnen, W. A. Cornils, and W. Herrmann (Wiley–VCH, Weinheim, 2002).
4. L. H. Pignolet, Homogeneous Catalysis with Metal Phosphine Complexes, (Plenum, New York, 1983).
5. W. R. Moser, C. J. Papile, D. J. Brannon, et al., J. Mol. Catal. 41 (27), 1 (1987).