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20201215112819.0 |
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950206s1993 xxuuu p |||||0eng |
| 022 |
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|a 1065-2116
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| 035 |
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|a 36799
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
0 |
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|a eng
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| 082 |
0 |
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|a 630
|b L
|2 00
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| 245 |
1 |
0 |
|a Leopold letter :
|b a newsletter of The Leopold Center for Sustainable Agriculture.
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| 260 |
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|a Ames, Iowa :
|b The Center,
|c 1993-.
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| 300 |
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|a volúmenes :
|b ilustraciones.
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| 362 |
0 |
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|a Vol. 5, no. 2 (1993)-
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| 650 |
0 |
7 |
|a AGRICULTURA
|v PUBLICACIONES PERIODICAS
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| 912 |
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|a 20-JUL-2011 - MARTEN MADRIGAL, ALEXANDRA
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| 949 |
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|a LQ,AP AP.
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| 916 |
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|a Registros del LS-2000
|