00839nam0-22003011i-450-99000400015040332120090717144747.0000400015FED01000400015(Aleph)000400015FED0100040001520040217d1927----km-y0itay50------baengUSy-------001yyMunicipal and rural sanitationV.M. Ehlers, E.W. SteelNew YorkMcGraw-Hill1927XI, 448 p.23 cmIgiene degli ambientiEhlers,Victor M.151258Steel,Ernest W.15638ITUNINARICAUNIMARCBK99000400015040332115 F/8-57inv.n.164DINIDDINIDMunicipal and rural sanitation471774UNINA