1. Schwartz, A.M., “Surface and Colloid Science,” Vol. 11, Plenum Press, New York, 1979, p. 307.
2. Bikerman, J.J., “Foams,” Springer-Verlag, New York, 1973, pp. 65–97.
3. Sosis, P., in “Detergency, Theory and Test Methods,” Part II, edited by W.G. Cutler and R.C. Davis, Marcel Dekker, Inc., New York, 1975, pp. 626–35.
4. Sosis, P., Ibid. pp. 635–45.
5. Adamson, A.W., “The Physical Chemistry of Surfaces,” 3rd Edition, Wiley & Sons, New York, 1976, pp. 508–17.