1. C. H. Langford and H. B. Gray,Ligand Substitution Processes, Benjamin, New York, 1965.
2. M. L. Tobe,Inorganic Reaction Mechanisms, Nelson, London, 1972, ch. 7; R. G. Wilkins,The Study of Kinetics and Mechanism of Reactions of Transition Metal Complexes, Allyn and Bacon, Boston, 1974, ch. 4.
3. A. Haim, R. J. Grassi, and W. K. Wilmarth,Adv. Chem. Ser.,49, 31 (1965).
4. P. H. Tewari, R. W. Gaver, H. K. Wilcox, and W. K. Wilmarth,Inorg. Chem.,6, 611 (1967).
5. J. Halpern and D. N. Hague,Inorg. Chem.,6, 2059 (1967).