1. Wang, L.K., Editor, “Environmental Engineering Glossary,” Calspan Corporation, Buffalo, NY, 1974, p. 374.
2. Justice, D., and V. Lamberti, Chem. Eng. Prog. 60:35 (1964).
3. Swisher, R.D., “LAS—Major Development in Detergents,” Ibid. 60:41 (1964).
4. Orsanco Detergent Subcommittee, J. Amer. Water Works Ass. 55:369 (1963).
5. Sawyer, C.N., and P.L. McCarty, “Chemistry for Sanitary Engineers,” McGraw-Hill Book Co., NY, 1967, p. 147–150.