1. Ron V. Webber, Filtration News, Jan/Feb (1994) 52.
2. C. Rebecca Stillwell, Proceedings of the 7th World Filtration Congress, Budapest, Hungary, May, 1994.
3. Vibhor Gupta, A.K. Jena, Proceedings of the 12th Annual AFS Technical Conference, April, 1999 (Accepted).
4. K. Denbigh, The Principles of Chemical Equilibrium, Cambridge Univ. Press, 1968.
5. A.W. Adamson, Physical Chemistry of Surfaces, Interscience, 1967.