Les Différences de fécondité et leur influence sur le niveau intellectuel de la population; document de travail, 1
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| Main Authors: | , |
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| Format: | programme and meeting document biblioteca |
| Language: | fre |
| Subjects: | Fertility, Intelligence, Heredity, Mental development, Population research, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000157628 |
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