00852nam0-22003131i-450-99000400016040332120090717144740.0000400016FED01000400016(Aleph)000400016FED0100040001620040217d1950----km-y0itay50------baengUSy-------001yyMunicipal and rural sanitationV.M. Ehlers, E.W. Steel4th ed.New YorkMcGraw-Hill1950XI, 548 p.23 cmIgiene degli ambientiEhlers,Victor M.151258Steel,Ernest W.15638ITUNINARICAUNIMARCBK99000400016040332115 F/8-58DINIDDINIDMunicipal and rural sanitation471774UNINA