1. Verwey, E.J.W. and Overbeek, J.Th.G., Theory of the Stability of Lyophobic Colloids, New York: Elsevier, 1948.
2. Devereux, O.F. and De Bruyn, P.L., Interaction of Plane Parallel Double Layers, Cambridge: MIT Press, 1963.
3. Honig, E.P. and Mul, P.M., J. Colloid Interface Sci., 1971, vol. 36, p. 258.
4. Oshima, H., Healy, T.W., and White, L.R., J. Colloid Interface Sci., 1982, vol. 89, p. 484.
5. Ohshima, H. and Kondo, T., J. Colloid Interface Sci., 1988, vol. 122, p. 591.