| 000 | 00462nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a631.58:631.459:631.61 | ||
| 100 | _aNorman, David, Douglas, Malcolm | ||
| 245 | _aFarming systems development and soil conservation | ||
| 260 | _aRome | ||
| 260 | _bFAO of the United Nations | ||
| 260 | _c1994 | ||
| 300 | _a173 p. | ||
| 440 | _aNo. 7; FAO Farm System Managem | ||
| 901 | _pS42704 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c122356 _d122356 |
||