| 000 | 00426nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 100324s9999 xx 000 0 und d | ||
| 100 | _aWeijenberg J et al | ||
| 245 | _aRevitilizing agricultural research in the Sahel : a proposed framework for action | ||
| 260 |
_c1993 _bWorld Bank _aWashington DC |
||
| 366 | _b1993 | ||
| 650 | _aAgriculture | ||
| 942 | _cBK | ||
| 999 |
_c76474 _d76474 |
||