Sex proportion and parental age
Subtitle: A new investigation into the old problem of the relation between the sex of children and the ages of their parents
By: by S.D. Wicksell ...
Series: Lunds universitets årsskrift -- n.f., avd. 2, bd 22, nr 6; Kungl. Fysiografiska sällskapets handlingar -- n.f., bd 37, nr 6; Lunds universitets årsskrift -- n.f., avd. 2, bd 22, nr 6.; Kungl. Fysiografiska sällskapets handlingar -- n.f., bd 37, nr 6.
Publisher: C.W.K. Gleerup; [etc., etc.]
Published: 1926
Place of publication: Lund
Language: eng
Number of pages: 86
Subjects: Sex