1. S. Balt and A. Jelsma,Inorg. Chem. in press.
2. F. Basolo and R. Pearson,Mechanisms of Inorganic Reactions, 2nd Edit., Wiley, New York, 1967, p. 177.
3. S. Balt and G. F. Pothoff,J. Coord. Chem., 4, 167, 247 (1975).
4. S. Balt, J. Breman and W. de Kieviet,J. Inorg. Nucl. Chem., 44, 331 (1979).
5. S. Balt and W. E. Renkema, unpublished observations.