000 | 00389nam a2200121Ia 4500 | ||
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001 | MPKV056110 | ||
008 | 120911s9999 xx 000 0 und d | ||
082 | _a338.1 | ||
245 |
_aAmerican Journal of Agricultural Economics Vol 56 _c; |
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246 | _aAmerican Journal of Agricultural Economics Vol 56 | ||
260 |
_aLexington, USA _bUniversity of Kentucky _c1974 |
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650 | _aAgricultural Economics | ||
999 |
_c54104 _d54104 |