1. Mavituna, F. (1986) In: Webb, C., Black, G.M., Atkinson, B. (eds) Process engineering aspects of immobilised cell systems, pp. 134152. The Institution of Chemical Engineers, Warwickshire.
2. Treyball, R. E. (1980) Mass transfer operations, 3rd edn. McGraw Hill.New York.
3. Trujillo, E.M., Sprinti and Zhung, H. (1995) Ion exchange Technology: Advances in pollution control, pp.225–271. Technomic Publishing Company Inc, PA.
4. Tsezos, M., Hatzikioseyian, A. and Remoundaki, E. (2004) Proc. Europ. Commiss., 30th September-2nd October, pp 279–292. Madrid.