MacDowell, M. A. (1972). Continued evaluation of oxygen use in conventional activated sludge processing: [Authors: M. A. McDowell and others. Prepared] for the Office of Research and Monitoring, Environmental Protection Agency. Washington: [U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off..
Chicago Style CitationMacDowell, M. A. Continued Evaluation of Oxygen Use in Conventional Activated Sludge Processing: [Authors: M. A. McDowell and Others. Prepared] for the Office of Research and Monitoring, Environmental Protection Agency. Washington: [U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972.
MLA CitationMacDowell, M. A. Continued Evaluation of Oxygen Use in Conventional Activated Sludge Processing: [Authors: M. A. McDowell and Others. Prepared] for the Office of Research and Monitoring, Environmental Protection Agency. Washington: [U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972.