1. AMERICAN PUBLIC HEALTH AssOCIATION. 1960. Standard methods for the examination of water and waste water 11th ed. American Public Health Association New York.
2. Synthetic detergents and sewage processing. V. Effect of synthetic detergents on certain water fauna;DEGENS P. N.;J. Inst. Sewage Purif.,1950
3. Observations on the decay of synthetic anionic detergents in natural waters;HAMMERTON C.;J. Appl. Chem. London,1955
4. Radioactive ABS in activated sludge treatment;HOUSE R.;Sewage Ind. Wastes,1956
5. Experiments on the effects of certain detergents on the biological oxidation of sewage;LAMB C.;J. Inst. Sewage Purif.,1953