US Army Corps of Engineers -US

US, U.S.Army Corps, US, U.States. De, US, U.States. De & EPA -Cincinnati, OH, US, 1981. Process design manual for land treatment of municipal wastewater, Cincinnati, OH, USA: US Environmental Protection Agency (EPA). Available at: https://es.ircwash.org/sites/default/files/341.3-81PR-5147.pdf.