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|a 968-24-4571-X
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Agricultura
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| 082 |
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|a 304.28
|b O533
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| 100 |
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|a Ondarza, Raúl N.
|9 15083
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| 245 |
|
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|a El Impacto del Hombre Sobre la Tierra /
|c Raúl N. Ondarza
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| 250 |
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|a 5a. ed.
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| 260 |
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|a Mexico,
|b Trillas,
|c 2005,
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| 300 |
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|a 167 pag.
|b Fig. Tab.
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| 650 |
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|x HOMBRE SOBRE - TIERRA
|x VIDA - ORIGEN
|x EVOLUCION
|x ECOLOGIA
|9 15084
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| 942 |
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