Sex proportion and parental age : A new investigation into the old problem of the relation between the sex of children and the ages of their parents /
| Autor principal: | |
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| Formato: | Libro |
| Idioma: | Ingles |
| Publicado: |
Lund :
C.W.K. Gleerup; [etc., etc.,
1926]
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| Colección: | Lunds universitets årsskrift;
no.f., avd. 2, bd. 22, nr. 6 Kungl. fysiografiska sällskapets handlingar; no.f., bd. 37, nr. 6 |
| Materias: |
| Descripción Física: | 86 p. : tables, diagrs. ; 26 cm. |
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