| 000 | 00491nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140205s9999 xx 000 0 und d | ||
| 082 | _a338.10966/NOR | ||
| 100 | _aNorman, David W et al. | ||
| 245 | _aFarm and village production systems in the semi-arid tropics of West Africa | ||
| 260 |
_bInternational Crops Research Institute for the Semi-Arid Tro _aHyderabad _c1981 |
||
| 300 | _a94 | ||
| 650 | _aAgriculture--Economic aspects | ||
| 650 | _aArid regions agriculture | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c1718 _d1718 |
||