000 00399nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aWorld Bank.
245 _aAgricultural extension by Benor, Harrison & Baxter
260 _c1984
_bWorld Bank
_aWashington DC
366 _b1984
541 _gGratis
650 _aAgriculture
942 _cBK
999 _c69492
_d69492