007560000a22002170004500003000900000005001700009020001500026110005900041710003400100245009800134264005400232300001000286500011400296041000800410650002800418650001700446650002300463650002900486650001200515040001100527PH-MaWHO20241108112536.0  a0902156764  aWorld Health Organization. Regional Office for Europe.  aWater Research Centre (U.K.).  aDisinfection of rural and small-community water supplies : a manual for design and operation.  aBuckinghamshire : bWater Research Centre,c1989.  a135p.  aPublished by the Water Research Centre on behalf of the World Health Organization Regional Office for Europe.  aeng  aWater supplyxStandards  aDisinfection  aWater microbiology  aWater treatmentxMethods  aManuals  aWHOLIS