| 000 | 00397nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 180612s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a470264276 | ||
| 041 | _aen | ||
| 082 | _a631.584 | ||
| 100 | _aOELHAF,Robert C | ||
| 245 | 0 | _aOrganic Agriculture: Economic and Ecological Comparisons with Conventional m | |
| 260 |
_aMontclair. _bAllaheld,Osmun _c1978 |
||
| 300 | _a(xii), 271 | ||
| 942 | _cPR | ||
| 999 |
_c38729 _d38729 |
||