1. Crouse, D. J., Arnold, W. D. and Hurst, F. J. Proc. Intern. Solvent Extraction Conf. pp.90–96. Colorado: Denver.
2. Marcus, Y. and Kertes, A. S. 1969.Ion Exchange and Solvent Extraction of Metal Complexes953New York: Wiley‐Interscience.
3. Kolarik, Z. Proc. Intern. Solvent Extraction Conf. Edited by: Lucas, B. H., Ritcey, G. M. and Smith, H. N. Vol. 1, Toronto
4. Kertes, A. S. 1965.Solvent Extraction Chemistry of MetalsEdited by: McKay, H. A.C., Healy, T. V., Jenkins, I. L. and Naylor, A. 377New York: Macmillan.