1. Schwarzenbach, R.P., P.M. Geschwend, and D.M. Imboden, in Environmental Organic Chemistry, 1993, John Wiley, New York, p. 134.
2. Fourth World Surfactants Congress Proceedings;S.W. Morral,1996
3. Tolls, J., and D.T.H.M. Sijm, Bioconcentration of Surfactants, Research Institute of Toxicology (RITOX), University of Utrecht, The Netherlands, 1993, p. 8.
4. Rosen, M.J., Surfactants and Interfacial Phenomena, 2nd ed., 1989, John Wiley, New York, (a) p. 84; (b) p. 67; (c) p. 92; (d) p. 44.
5. Fourth World Surfactants Congress Proceedings;M.J. Rosen,1996