| 000 | 00524nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 160601s9999 xx 000 0 und d | ||
| 020 | _a198594615 | ||
| 100 |
_aRuthenberg, Hans _927460 |
||
| 245 | _aFarming systems in the tropics | ||
| 250 | _a2nd ed. | ||
| 260 | _aOxford | ||
| 260 | _bClarendon press | ||
| 260 | _c1976 | ||
| 300 | _axviii,366p.; 22cm. | ||
| 650 |
_aCultivation systems _927461 |
||
| 650 |
_aFarming - tropics _927462 |
||
| 650 |
_aIrrigation farming _927463 |
||
| 650 |
_aTropical environment _927464 |
||
| 999 |
_c9119 _d9119 |
||