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)
WEF Manual of Practice ; No. 29.
ASCE/EWRI Manuals and Reports on Engineering Practice No. 109.
Keywords: Sewage -- Purification -- Nutrient removal