000 00411nam a2200121Ia 4500
008 100324s9999 xx 000 0 und d
100 _aWorld Bank.
245 _aDevelopment of refined agriculture under arid and semi-arid Conditions edited by Dar's.86
260 _bWorld Bank
_aWashington DC
541 _gGratis
650 _aAgriculture
942 _cBK
999 _c70355
_d70355