[1] Nash, K. L. Solvent Extr. Ion Exch., 11, 729 (1993).
[2] Marinsky, J. A. and Marcus Y. (Eds.) "Ion Exchange and Solvent Extraction", Marcel Dekker, New York (1974).
[3] Manning, P. G. Can. J. Chem., 40, 1984 (1962).
[4] Siddal, T. H. J. Inorg. Nucl. Chem.,26, 1991 (1964).
[5] Horwitz,E. P., Kalina, D. J., Diamond, H., Vandergift, D. G. and Schulz, W. W. Solvent Extr. Ion Exch., 3, 75 (1985).
[6] Arnaud-Neu, F., Böhmer, V., Dozol, J.-F., Grüttner, C., Jakobi, R. A., Kraft, D., Mauprivez, O., Rouquette, H., Schwing-Weill, M.-J., Simon, N. and Vogt, W. J. Chem. Soc., Perkin Trans. 2, 1175 (1996).
[7] Yaftian, M. R., Burgard, M., Wieser, C. and Matt, D. Solvent Extr. Ion Exch., 16, 1131 (1998).
[8] Arnaud-Neu F., Browne, J.K., Byrne, D., Marrs, D.J., McKervey, M. A., O'Hagan, P., Schwing-Weill, M.-J. and Walker, A . Chem. Eur. J., 5, 175 (1999).
[9] Yaftian, M. R. and Vahedpour M. Phosphorus, Sulfur and Silicon, 174, 93 (2001).
[10] Schulz, W. W., Burger, L. L. and Navratil, J. D. (Eds.) "Science and Technology of Tributyl-phosphate", CRC Press, Boca Ratton, Fl. 1984-1990, Vols, I-III.
[11] Farah, K., El-Bayoumy, S. and Kandil, A. T. J. Radioanal. Nucl. Chem., 157, 87 (1992).
[12] Hasegava, Y., Takashima, K. and Watanabe, F. Bull. Chem. Soc. Jpn., 70, 1047 (1997).
[13] Marczenko, Z. "Spectrophotometric Determination of Elements", Wiely, New York (1976).
[14] Rydberg, J., Musikas, C. and Choppin, G. R. "Principles and Practice of Solvent Extraction", Marcel Dekker, New York (1992).
[15] Inoue, Y., Amano, F., Okada, N., Inada, H. Ouchi, M., Tai, A. and Hakushi, T., J. Chem. Soc., Perkin Trans. 2, 1239 (1990).
[16] Mahajan, G. R., Murali, M. S., Prabhu, D. R.,Shulka, J. P., Nair, G. M. and Natarajan, P. R., Thermochim. Acta, 180, 185 (1991).