El problema de la concepcion: la ley de Knaus /
| Main Author: | |
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| Format: | Book |
| Language: | Spanish |
| Published: |
México :
Impresiones Modernas,
1953.
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| Series: | Ciencia y vida
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| Subjects: |
| Physical Description: | 153 páginas : ilustraciones ; 19 cm.-- |
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