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_aMangelsdorf, Paul C. _970390 |
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_aThe origin of corn _b: modern corn, the author argues, had not one ancestor... |
| 500 | _aSobretiro de: Scientific American 255 (2): 72-78, 1986 | ||
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_aMaíz _xHíbridos. _970974 |
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_aMaíz _xHistoria. _970972 |
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_aMaíz _xMejoramiento. _971006 |
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