1. Becher P (1965) Encyclopedia of emulsion technology, vol 1.
2. Forster T (1997) Surfactants in cosmetics. Surfactant Science Series 68, pp 105–125
3. Lin TJ, Haruki K, Hideaki Ohta BSJ (1975) Cosmet Chem 26:121–139
4. Esquena J, Solans C (1998) Prog Colloid Polym Sci 110:235–239
5. Friberg SE, Vesable R (1985) In: Becher P (ed) Microemulsions, encyclopedia of emulsion technology, vol 1, pp 287–336