00511cam a22001457a 4500008004000000082001300040100002200053245009200075260004400167300001000211650002400221700001700245999001900262952008400281180718b1959   xxu||||| |||| 00| 0 eng d  aV43 W123  aWagner, Edmund G.  aWater supply for rural areas and small communitiescby Edmund G. Wagner and J.N. Lanoix  aGenevabWorld Health Organizationc1959  a327p.  aWater-supply, Rural  aLanoix, J.N.  c435661d435661  00104070aIIPAbIIPAd2010-02-26oV43 W123p19927r2018-07-21w2018-07-21yBK