1. (a) Ch. Elschenbroich, A. Salzer, Organometallics — A Concise Introduction, second ed., VCH, Weinheim, 1992. (b) F.A. Cotton, G. Wilkinson, Advanced Inorganic Chemistry, Wiley, Chichester, 1988 (Chapter 26).
2. (a) A.J. Deeming, in: E.W. Abel, F.G.A. Stone, G. Wilkinson (Eds.), Comprehensive Organometallic Chemistry, vol. 4, Pergamon, Oxford, 1982, p. 481 (Chapter 31.3). (b) N.J. Long, Metallocenes, Blackwell Science, Oxford, 1998, p. 134.
3. (a) W.J. Evans, Adv. Organomet. Chem. 24 (1985) 131. (b) C.J. Shaverien, Adv. Organomet. Chem. 36 (1994) 283. (c) F.T. Edelmann, in: E. Abel, F.G.A. Stone, G. Wilkinson (Eds.), Comprehensive Organometallic Chemistry II, vol. 4, Pergamon, Oxford, 1995 (Chapter 2). (d) P.L. Watson, G.W. Parshall, Acc. Chem. Res. 18 (1985) 51.
4. (a) F.R.W.P. Wild, L. Zsolnai, G. Huttner, H.W. Brintzinger, J. Organomet. Chem. 232 (1982) 233. (b) R.L. Haltermann, A. Tretyakov, M.A. Khan, J. Organomet. Chem. 568 (1998) 41. (c) H.G. Alt, K. Fottinger, W. Milius, J. Organomet. Chem. 564 (1998) 109.
5. (a) R.L. Halterman, Chem. Rev. 92 (1992) 965. (b) G.A. Molander, H. Schumann, E.C.E. Rosenthal, J. Demtschuk, Organometallics 15 (1996) 3817. (c) M.A. Giardello, V.P. Conticello, L. Brard, M. Sabat, A.L. Rheingold, C.L. Stern, T.J. Marks, J. Am. Chem. Soc. 116 (1994) 10 212. (d) M.A. Giardello, M.S. Eisen, C.L. Stern, T.J. Marks, J. Am. Chem. Soc. 117 (1995) 12 114. (e) J.P. Mitchell, S. Hajela, S.K. Brookhart, K.I. Hardcastle, L.M. Henling, J.E. Bercaw, J. Am. Chem. Soc. 118 (1996) 1045. (f) L.A. Paquette, M.R. Sivik, E.I. Bzowej, K.J. Stanton, Organometallics 14 (1995) 4865.