Author: Gräsland, Bo.
Title: Reprint.*
Description: from: 'Annales Academiae Scientiarum Upsaliensis', vol. 24 (1981-1982), pp.59-84. Sm.8vo, stapled in paper cover. ¶ 'The human sex ratio at birth. Reproductive strategies in early societies.'

Keywords: JW reproductie sociale evolutie sociobiologie