Biosocial aspects of sex : proceedings of the sixth annual symposium of the Eugenics Society, London, September 1969 /
Harrison, G. A.(Geoffrey Ainsworth),1927-ed.
Peel, John.ed.
Eugenics Society (London, England)cn
Oxford, Published for the Galton Foundation by Blackwell Scientific,
1970.
Includes bibliographies.
Sex differences
Sex ratio
Sex role