title: [COLLECTION AND PURIFICATION OF USED URBAN WATERS].
mesh_terms: D012498:Sanitary Engineering; D012722:Sewage; D014867:Water
chemical_list: D012722:Sewage; D014867:Water
keywords: SANITARY ENGINEERING; SEWAGE
vernacular_title: COLLECTE ET 'EPURATION DES EAUX US'EES URBAINES.