1. D. J. Shaw. Introduction to Colloid and Surface Chemistry, 3rd Edition, Butterworths, London, 1980
2. R. H. Ottewill. In Colloid Science vol. 1, The Chemical Society, London, 1973, p. 173 et seq.
3. R. H. Ottewill. In Non-ionic Surfactants (ed. M. J. Schick ), Marcel Dekker, New York, 1967
4. J. T. Davies and E. K. Rideal. Interfacial Phenomena, 2nd Edition, Academic Press, London, 1963
5. A. T. Florence and D. Whitehill. J. colloid interface Sci., 79, 243 (1981)