1. Kunin R (1958) Ion exchange resins. Wiley, London
2. Helfferich F (1962) Ion exchange. McGraw-Hill, New York
3. Konrad D (1991) Ion exchangers. Walter de Gruyter. Berlin, New York
4. Harland CE (1994) Ion exchange: theory and practice, 2nd edn. The Royal Society Chemistry, Cambridge
5. Zagorodni AA (2007) Ion exchange materials properties and applications. Elsevier, Amsterdam