00271nam a22001097a 4500082001400000100002500014245004000039260004600079300001200125942000700137999001700144  a627.54SID  aSiddiqui, Iqtidar H.  aIrrigation and Drainage Engineering  aKarachi:bOxford University Press,c2007.  a258p. ;  cBK  c54045d54042