1. Mysells, K.J. Introduction to colloid chemistry. London, Interscience Pub. Ltd., 1959. p. 315-333.
2. Purcell, G. Ph.D. thesis, Penn. State Univ. 1961.
3. Adamson, A.W. Physical chemistry of surfaces. New York, Interscience Pub. Ltd., 1960. p. 187 ff.