1. Some factors affecting the viability of fecal bacteria in water;Allen;J. Gen. Micro.,1952
2. Standard Methods for the Examination of Water and Wastewater;American Public Health Association,1975
3. Survival of enteric bacterial pathogens in farmpond water;Andre;J. Amer. Waterworks Assn.,1967
4. Basic Food Microbiology;Banwart,1979
5. Aquaculture: The Farming and Husbandry of Freshwater and Marine Organisms;Bardach,1972