000 00433nam a2200145Ia 4500
082 _a333.913091724
_bO'MA
100 _aO'Mara, Gerald T.
245 _aIssues in the efficeint use of surface and groundwater in irrigation.
260 _aWashington D.C.
_bWorld Bank
_c1984
300 _aixx,93p.
440 _aWorld Bank staff working paper
_vNo.707
500 _aENG
890 _aUnited States
999 _c19582
_d19582