1. Yao, K.M. (1968), Ph.D. dissertation, University of North Carolina, Chapel Hill, NC
2. Rajagopalan, R., Tien, C. (1979): Progress in Filtration and Separation, Vol. 1. In: Wakeman, R.J. (ed.), Elsevier
3. Ghosh, A.M., Jordan, TA., Porter, R.L. (1975), J. Environ. Eng. Div., Proc. ASCE, EE1, Vol. 71, pp.71
4. FitzPatric, JA. (1972), Ph.D. dissertation, Harvard University, Cambridge, Mass.
5. Kallay, R, Nelligan, J.D., Matijevic, E. (1983), J. Chem. Soc. Faraday Trans., Vol. 79, pp. 65