000 00381nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aGnaegy S et al
245 _aAgricultural technology in sub-Saharan Africa
260 _c0
_bWorld Bank
_aWashington DC
366 _b0
650 _aAgriculture
942 _cBK
999 _c74298
_d74298