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| 020 | _a0813805406 | ||
| 082 | _a338.1 ECO | ||
| 100 | _aed. Heady, Earl O. | ||
| 245 | _aEconomic models and quantitative methods for decisions and planning in agriculture / ed. Earl O. Heady | ||
| 260 | _aIowa State Univ. Press | ||
| 650 | _aAgricultural - economics aspects | ||
| 999 |
_c12932 _d12932 |
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| 952 |
_w2012-09-11 _p3560 _r2012-09-11 _40 _00 _bNU _10 _o338.1 ECO _d2012-09-11 _70 _yOS _aNU |
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