| 000 | 00428nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 020710t1971 000 0 eng d | ||
| 020 | _a0198594267 | ||
| 080 |
_a631.58 (213) RUT _b6720 |
||
| 100 | _aRuthenberg, H. | ||
| 245 | 0 |
_aFarming systems in the tropics _h(Book) |
|
| 260 |
_aOxford _bClarendon Press _c1971 |
||
| 300 |
_a313 p. _c24 cm. |
||
| 650 | _aAgricultural systems--Tropics Farm management--Tropics | ||
| 999 |
_c9689 _d9689 |
||
| 035 | _a6720 | ||