| 000 | 00464nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180413s9999 xx 000 0 und d | ||
| 020 | _a0 86543 148 5 | ||
| 100 | _aAgricultural System And Research Workshop Edmonton 1987 | ||
| 245 | 0 | _aSustainable Agriculture In Africa Proceedings | |
| 260 | _bTrenton : Africa World Press 1990. | ||
| 440 | _aFao Plant Production And Protection Series No. 22 | ||
| 546 | _aEng | ||
| 690 | _aAgriculture ; Sustainability ; Africa. | ||
| 999 |
_c17120 _d17120 |
||