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| 100 | 0 | 0 |
_aSmil, Vaclav. _9106923 |
| 245 | _aEnergy analysis and agriculture ; an application to U.S. Corn Production | ||
| 260 |
_aBoulder, Colo. : _bWestview, _c1983 |
||
| 300 |
_a191 p. _b: ilus. ; gráfs. |
||
| 490 | _aWestview special studies in agriculture science and policy | ||
| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0427 |
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| 650 | 1 | 4 |
_aEnergía y agricultura. _936915 |
| 650 | 1 | 4 |
_aMaíz _xE.U.A. _970929 |
| 650 | 1 | 4 |
_aMaíz _xRendimiento. _971051 |
| 700 | 0 |
_aLong II, Thomas V. _967555 |
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| 700 | 0 |
_aNachman, Paul. _979999 |
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| 830 | 0 |
_aWestview special studies in agriculture science and policy _9121585 |
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