00294cam a2200109ua 4500020001800000082001900018100001600037245004700053250001000100260006100110300001300171  a9788180141867  a631.45bSUR/SO  aSuresh, R .  aSoil and Water Conservation Engineering /   a4 / 5  aNew Delhi : bStandard Publishers Distributors , c2004.  a951/1089