00867nam a22002657a 450000500170000001000110001702000100002803500110003803700160004904000120006508200150007710000290009224500800012124600060020125000110020726000430021830000320026150000190029365000250031265000320033770000280036994200240039799900190042195201610044020170124110020.0  a405074  c00.00  a405074  bCen Lib/Ret  aDPLbEN  a614.7bEHL  aEhlers, Victor M.975178  aMunicipal and rural sanitation /cby Victor M. Ehlers [and] Ernest W. Steel  b   a6th ed  aLondonbMcGraw-Hill Book Companyc1958  axiv, 663p. :c21cm(Hb)bill  aIncludes index  aPublic health975179  aSanitary engineering975180  aSteel, Ernest W.919445  2ddccENh614.7mEHL  c127114d127114  04104070aLbLd2015-06-27eCen Lib/Ret   g0.00l0o614.7 EHLp405074r2015-06-27 00:00:00t1v0.00w2015-06-27yENzW/d List No. 6874/2 ; dtd 20/08/2020