<ECHENFELDER, W. Activated sludge treatment of industrial wastewater. #347#.
Chicago Style (17th ed.) Citation<ECHENFELDER, W.Wesley>. Activated Sludge Treatment of Industrial Wastewater. #347#.
MLA (8th ed.) Citation<ECHENFELDER, W.Wesley>. Activated Sludge Treatment of Industrial Wastewater. #347#.
Warning: These citations may not always be 100% accurate.