1. US 5.908.957 (1999 Roche); Steinborn; Helfferich Chapter 7;G.Duca Homogeneous Catalysis with Metal Complexes Springer 2012;
2. van Leeuwen‐2;
3. Crabtree; Horváth Vol. 3 p. 479 Basset; Beller/Bolm; Bond‐2;
4. Burgess; Clark; Ugo; Cornils/Herrmann‐1 to ‐6;