1. Marcus, Y. and Kertes, A. S.Ion Exchange and Solvent Extraction of Metal Complexes, Wiley-Interscience, New York, 1969.
2. Connick, R. E. and McVey, W. H.Jour. Amer. Chem. Soc., 1949,71, 3182.
3. Day, R. A., and Stoughton, R. W.Ibid., 1950,72, 5662.
4. Rydberg, J...Arkiv Kemi, 1955,8, 101;Acta Chem. Scand., 1950,4, 1608.
5. Dyrssen, D. and Sillen, L. G.Ibid., 1953,7, 663.