1. Hiemenz, P.C., Principles of Colloid and Surface Chemistry, 2nd edn, Marcel Dekker, Inc., New York and Basel (1986).
2. Void, R.D. and Void, M.J., Colloid and Interface Chemistry, Addison-Wesley Publishing Company, Inc., Massachusetts (1983).
3. Hunter, R.J., Foundations of Colloid Science, Vol. 1, Clarendon Press, Oxford (1987).
4. Hunter, R.J., Zeta Potential in Colloid Science, Academic Press, London (1981).
5. Lindström, T., ‘Some fundamental chemical aspects on paper forming’, in Fundamentals of Papermaking, T ransactions of the Ninth Fundamental Research Symposium, Cambridge (1989), vol. 1 ed. C.F. Baker and V.W. Punton, Mechanical Engineering Publications Ltd, London (1989), 309.