1. Standard Methods for the Examination of Water and Wastewater;APHA,1999
2. Crop Evapotranspiration – Guidelines for Computing Crop Water Requirements – FAO Irrigation and Drainage Paper 56;Allen,1998
3. Best Management Practices for Biosolids Land Application;Arnold,1994
4. Soil and fecal coliform trapping by grass filter strips during simulated rain;Coyne;J. Soil Water Conserv.,1995
5. Nutrient and coliform losses in runoff from fertilized and sewage sludge-treated soil;Dunigan;J. Environ. Qual.,1980