1. D. Geselowitz and H. Taube, in: Advances in Inorganic and Bioinorganic Mechanisms(A. G. Sykes, ed.), Vol. 1, p. 391, Academic Press, London (1982).
2. F. Armstrong, in: Advances in Inorganic and Bioinorganic Mechanisms(A. G. Sykes, ed.), Vol. 1, p. 65, Academic Press, London (1982).
3. C. Creutz, Prog. Inorg. Chem., 30, 1 (1983).
4. J. F. Endicott, K. Kumar, T. Ramasami, and F. P. Rotzinger, Prog. Inorg. Chem., 30, 141 (1983).
5. A. Haim, Prog. Inorg. Chem., 30, 273 (1983).