Anarobic aerobic ponds for beet sugar waste treatment - United States. Office of Research and Monitoring; Wiliam J. Oswald (Washington, D.C. : U.S. Government Printing Office, 1973)
"EPA-R2-73-025, fEBRUARY 1973."
Keywords: Sewage -- Purification -- Handbooks, manuals, etc; Water-supply engineers -- Training of -- Handbooks, manuals, etc