El maravilloso mundo de la energía /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | Spanish |
| Published: |
Madrid :
Aguilar,
1972.
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| Subjects: |
| Item Description: | Incluye índice |
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| Physical Description: | 96 páginas : ilustraciones ; 26 cm. |
| ISBN: | 8403710011 |