M & I, inc, Municipal Environmental Research Laboratory, & Hegg, B. A. (1980). Evaluation of operation and maintenance factors limiting municipal wastewater treatment plant performance: Phase II. Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service.
Chicago Style (17th ed.) CitationM & I, inc, Municipal Environmental Research Laboratory, and Bob A. Hegg. Evaluation of Operation and Maintenance Factors Limiting Municipal Wastewater Treatment Plant Performance: Phase II. Cincinnati : Springfield, Va.: Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service, 1980.
MLA (9th ed.) CitationM & I, inc, et al. Evaluation of Operation and Maintenance Factors Limiting Municipal Wastewater Treatment Plant Performance: Phase II. Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service, 1980.