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00746nas a2200253 u 4500 |
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000504806 |
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20040831103555.0 |
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040831s1935 xxu ||||| eng |
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|a 00380725
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|a 7966863
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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0 |
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|a eng
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|a 630
|2 23
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|a Soil conservation /
|c Soil Conservation Service, U.S. Department of Agriculture
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| 260 |
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|a Washington :
|b The Department,
|c [1935].
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| 300 |
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|a volúmenes
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|a Semanal
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| 650 |
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|a SUELOS
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|x CONSERVACION
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| 650 |
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|v PUBLICACIONES PERIODICAS
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|a 31-AUG-2004 - SANCHEZ VELASQUEZ, AURA
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|a 31-AUG-2004 - SANCHEZ VELASQUEZ, AURA
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| 949 |
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|a ASV
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| 916 |
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|a Reconversión
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