Los recursos de la tierra /
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| Main Author: | |
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| Format: | Texto biblioteca |
| Language: | spa |
| Published: |
Barcelona : Omega,
1974
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| Subjects: | RECURSOS NATURALES, AGUA, ENERGIA, MATERIALES DE CONSTRUCCION, FERTILIZANTES, MINERALES, METALES, CORTEZA TERRESTRE, ATMOSFERA, TIERRA (PLANETA), HIDROSFERA, COMBUSTIBLES FOSILES, |
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