1. F. Basolo andR. G. Pearson, “Mechanisms of Inorganic Reactions”, 2nd Edition, J. Wiley, New York, 1967, p. 256.
2. C. H. Langford andH. B. Gray, Ligand Substitution Processes, W. A. Benjamin, New York, 1965; Russian translation: “Procesy zamescenija ligandov”, Izdat. Mír, Moscow 1969, p. 123.
3. E. Jóna, T. Šramko andJ. Gažo, Chem. Zvesti, 22 (1968) 648.
4. E. Jóna, V. Jesenák andT. Šramko, Chem. Zvesti, 23 (1969) 420.
5. T.Šramko, E.Jóna and A.Sirota, Proceedings of the 2nd Conference on Coordination Chemistry, Smolenice-Bratislava, 1969, p. 239.