Biological nutrient removal (BNR) operation in wastewater treatment plants - Water Environment Federation. Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants Task Force; Environmental and Water Resources Institute (U.S.) (New York : McGraw-Hill, 2006)
'Manual of practice no. 30'--Cover
Includes bibliographical refrences and index
Keywords: Sewage -- Purification -- Nutrient removal