| 000 | 00406nam a2200133Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV108196 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a338.1 | ||
| 245 |
_aAgricultural Economics Research Vol.35 No. 1-4 _c; |
||
| 246 | _aAgricultural Economics Research | ||
| 246 | _aAgricultural Economics Research Vol.19-22 | ||
| 260 |
_aWashingto _bU S D A _c1983 |
||
| 650 | _aAgricultural Economics | ||
| 999 |
_c71553 _d71553 |
||