00269nam a22001097a 4500003000400000008004100004082001600045100001700061245004400078260002900122300000800151OSt240704b        |||||||| |||| 00| 0 eng d  a631.3bH88F  aHudson, N.W.  aField Engineering for Agricultural Dev.  aELBSbUBSPD, Patnac1983  a225