1. N.N. Greenwood, Adv. Inorg. Chem. Radiochem., 1963, 5, 91.
2. A.J. Carty and D.G. Tuck, Prog. Inorg. Chem., 1975, 19, 243.
3. M.J. Taylor, in Comprehensive Coordination Chemistry, eds, G. Wilkinson, R.D. Gillard and J.A. McCleverty, Pergamon, Oxford, 1987, Vol. 3, p. 105.
4. D.G. Tuck, in Comprehensive Coordination Chemistry, eds. G. Wilkinson, R.D. Gillard and J.A. McCleverty, Pergamon, Oxford, 1987, Vol. 3, p. 153.
5. J.J. Eisch, in Comprehensive Organometallic Chemistry, eds. G. Wilkinson, F.G.A. Stone and E.W. Abel, Pergamon, Oxford, 1982, Vol. 1, p. 555.