00262nam a22001097a 4500003000400000008004100004100001700045245003600062260002500098942001200123999001700135OSt230803b        |||||||| |||| 00| 0 eng d  aWright, F.B.  aRural Water Supply & Sanitation  bWiley Eastern c1969  2ddccBK  c29322d29322