00472    a2200133   4500082001800000100002600018245008600044260006600130300001900196440003400215650002800249650003300277650002800310  a333.9117bWID  aWidanapathirana, A.S.  aGal Oya water management research project bSeasonal report for 1983 yala season   aColombobAgrarian Research and Training Institutec1984g1984  avii,30p.c29cm  aOccasional publication No. 31  aGENERAL TOPICS OF WATER  aECONOMICS OF LAND AND ENERGY  aOTHER NATURAL RESOURCES