Municipal Environmental Research Laboratory & Walker, J. M. (1978). Sewage sludge entrenchment system for use by small municipalities. Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory.
Chicago Style (17th ed.) CitationMunicipal Environmental Research Laboratory and J. M. Walker. Sewage Sludge Entrenchment System for Use by Small Municipalities. Cincinnati, Ohio: Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory, 1978.
MLA (9th ed.) CitationMunicipal Environmental Research Laboratory and J. M. Walker. Sewage Sludge Entrenchment System for Use by Small Municipalities. Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory, 1978.