1. R. M. Wainheimer and P. T.Varineau, in Nonionic Surfactants—Organic Chemistry, ed. N. M. van Os, Marcel Dekker, Inc., New York, 1998, vol. 72, pp. 39–85
2. M. Wentz , Detergency Theory and Technology, Marcel Dekker, New York, 1987
3. H. H. Tabuk and R. L.Bunch, Proceedings of the Purdue Industrial Waste Conference, 1981, vol. 36, pp. 888
4. V. W. Saeger , R. G.Kuehnel, C.Linck, and W. E.Gledhill, Technical Report ES-80-SS-46, Monsanto Industrial Chemicals Company, St. Louis, MO, 1980