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940914s1989 xxua gr ||||| eng d |
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|a 0309039878
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|a 32186
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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|a 630
|b A438a
|2 23
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|a Alternative agriculture /
|c Committee on the Role of Alternative Farming Methods in Modern Production Agriculture, Board on Agriculture, National Research Council.--.
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| 260 |
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|a Washington :
|b National Academic Press,
|c c1989.
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| 300 |
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|a xiv, 448 páginas :
|b ilustraciones (algunas a color).
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| 500 |
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|a Reimpresión: 1991
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| 650 |
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|a AGRICULTURA
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| 710 |
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|a National Research Council (Estados Unidos)
|e Autor/a
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| 949 |
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|a LQ.LQ.b.IA.
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| 916 |
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|a Registros del LS-2000
|