| 000 | 00407nam a2200133Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV108197 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a338.1 | ||
| 245 |
_aAgricultural Economics Research Vol.39 No. 1-4 _c; |
||
| 246 | _aAgricultural Economics Research | ||
| 246 | _aAgricultural Economics Research Vol.19-22 | ||
| 260 |
_aWashingto _bU S D A _c1987 |
||
| 650 | _aAgricultural Economics | ||
| 999 |
_c71554 _d71554 |
||