00715nam a22002537a 4500 20170124110020.0 405074 00.00 405074 Cen Lib/Ret DPL EN 614.7 EHL Ehlers, Victor M. 75178 Municipal and rural sanitation / by Victor M. Ehlers [and] Ernest W. Steel 6th ed London McGraw-Hill Book Company 1958 xiv, 663p. : 21cm(Hb) ill Includes index Public health 75179 Sanitary engineering 75180 Steel, Ernest W. 19445 ddc EN 614.7 EHL 127114 127114 4 0 0 0 L L 2015-06-27 Cen Lib/Ret 0.00 0 614.7 EHL 405074 2015-06-27 00:00:00 1 0.00 2015-06-27 EN W/d List No. 6874/2 ; dtd 20/08/2020