Instructions pour l'observation des phénomènes périodiques.
- Adolphe Quetelet
- Date:
- [1842]
Licence: Public Domain Mark
Credit: Instructions pour l'observation des phénomènes périodiques. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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