1. 1. J. C. Bailar, H. J. Emeleus, R. Nytholm, and A. P. Trotman-Dickenson, “Comprehensive Inorganic Chemistry”, 1st ed., 1973, Pergamon, London.
2. 2. S. Alegret, “Developments in Solvent Extraction”, 1988, Wiley, New York.
3. 3. J. Rydberg, C. Musikas, and G. R. Choppin, “Principles and Practices of Solvent Extraction”, 1992, Marcel Dekker, New York.
4. 4. X. Zhang, G. Yin, and Z. Hu, Talanta, 2003, 59, 905.
5. 5. M. Tanaka and H. Akaiwa, “Solvent Extraction Chemistry”, 2000, Shokabo, Tokyo.