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    Effects of thermal treatment of sludge on municipal wastewater treatment costs by Ewing, Lewis J., Almgren, Howard H., Culp, Russell L., 1916-

    Cincinnati, Ohio : Springfield, Va. :; Cincinnati, Ohio : Springfield, Va. : Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ; For sale by the National Technical Information Service,; Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ; for sale by the National Technical Information Service, 1978
    Format: Government Document Book