000 00416nam a2200157Ia 4500
008 100324s9999 xx 000 0 und d
020 _a0-8213-1030-5
100 _aWorld Bank.
245 _aEfficiency in irrigation
260 _c1988
_bWorld Bank
_aWashington DC
300 _axiii+196p
366 _b1988
541 _gGratis
650 _aLand Economics
942 _cBK
999 _c71561
_d71561