El medio ambiente /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | Spanish French |
| Published: |
Barcelona :
Oikos-tau,
1972.
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| Subjects: | |
| Notas Contenido: |
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| Physical Description: | 122 páginas ; 17 cm. |
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| Bibliography: | Incluye bibliografía e índice |