| 000 | 00403nam a2200121Ia 4500 | ||
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| 001 | MPKV056435 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a338.1 | ||
| 245 |
_aAmerican Journal of Agricultural Economics Vol 55 no.1-5 _c; |
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| 246 | _aAmerican Journal of Agricultural Economics Vol 55 no.1-5 | ||
| 260 |
_aLexington, USA _bUniversity of Kentucky _c1973 |
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| 650 | _aAgricultural Economics | ||
| 999 |
_c54429 _d54429 |
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