00526    a2200145   4500020001500000082001500015100002400030245010800054260007100162300001900233440004200252650002500294650003300319650002800352  a9290901233  a637.1bABE  aAbeyratne, Shyamala  aRehabilitation of small-scale irrigation systems in Sri Lankabstate policy and practice in two systems  aColombobInternational Irrigation Management Institutec1990g1990  axiv,56p.c21cm  aIIMI country paper - Sri Lanka - No.6  aWater for irrigation  aEconomics of land and energy  aOther natural resources