000 | 00470nam a2200097Ia 45e0 | ||
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008 | 131022n xxu |||gr||||Z||||||eng | ||
100 |
_aBrown, W. G, _eAuthor. |
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245 | 0 |
_aProduction Functions, Isoquants, Isolates and Economic Optima in Corn Fertilization for Experimentas with two and three Variable Nutrients _cW. G. Brown _hTextual Documents |
|
260 |
_aAmes _bIOWA State University Press, |
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942 |
_2ddc _cTXT |
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999 |
_c38330 _d38330 |