1. Pollution loads derived from aquaculture: Land-based and water-based systems;Ackefors,1992
2. Standard Methods for Examination of Water and Wastewater;APHA,1989
3. A tentative nutrient balance for intensive fish ponds;Avnimelech;Bamidgeh,1979
4. Chemical budgets for channel catfish ponds;Boyd;Trans. Amer. Fish. Soc.,1985
5. Aquaculture production systems;Colt;J. Anim. Sci.,1991