Sex proportion and paretal age - a new investigation into the old problem of the relation between the sex of children and the ages of their parents
- Författare
- Sven Wicksell
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| Gleerup | 1926 | Sverige, Lund | 86 sidor. |