| 000 | 00342nam a2200145Ia 4500 | ||
|---|---|---|---|
| 020 | _a0470264276 | ||
| 082 | _a631.82/OEL | ||
| 100 | _aOelhaf, Robert C | ||
| 245 | _aOrganic agriculture | ||
| 260 |
_bJohn Wiley and Sons _aNew York _c1978 |
||
| 300 | _a271 | ||
| 650 | _aorganic farming-economic aspects | ||
| 901 | _a1490 | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c1336 _d1336 |
||