| 000 | 00356nam a2200121Ia 4500 | ||
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| 001 | MPKV056026 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a338.1 | ||
| 245 |
_aAgricultural Economics Research vol.6-11 _c; |
||
| 246 | _aAgricultural Economics Research vol.6-11 | ||
| 260 |
_aWashingto _bU S D A _c1954-1959 |
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| 650 | _aAgricultural Economics | ||
| 999 |
_c54020 _d54020 |
||