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|a 84-8476-045-6
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|a 631.4
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|a Labrador Moreno, Juana
|9 9777
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|a La materia orgánica en los agrosistemas /
|c Juana, Labrador Moreno
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| 250 |
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|a 2a ed.
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|a España,
|b Mundi-prensa,
|c 1996
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| 300 |
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|a 293 p.
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|x MATERIA ORGÁNICA-AGROSISTEMAS
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