1. Wastewater Engineering: Treatment, Disposal, Reuse;Metcalf & Eddy, Inc,1979
2. Modeling and Control of River Quality;Rinaldi,1979
3. Computer Program Documentation for the Stream Quality Model QUAL-II;Environmental Protection Agency,1973
4. Biological Process Design for Wastewater Treatment;Benefield,1980
5. The Disinfection of Sewage and Sewage Filter Effluents;Phelps;U.S. Geological Survey Water Supply Paper,1909