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00680nam a2200205 u 4500 |
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20021125080350.0 |
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981002s1957 xxu ||||| eng |
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|a 3141053
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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| 082 |
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|a 633.15
|b W458R
|2 00
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| 100 |
1 |
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|a Wellhausen, Edwin John
|d 1907-
|e Autor/a
|4 aut
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| 245 |
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|a Races of maize in Central América /
|c by E. J. Wellhausen [y otros]
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| 260 |
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|a Washington :
|b National Academy of Sciences, National Research Council,
|c 1957.
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| 300 |
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|a 128 páginas :
|b ilustraciones, mapas
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| 650 |
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|a MAIZ
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| 650 |
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|z AMERICA CENTRAL
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| 650 |
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|x VARIEDADES
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| 916 |
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|a Reconversión
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