1. The Descent of Man, and Selection in Relation to Sex;Darwin,1871
2. Selective mating, assortative mating and inbreeding: definitions and implications;Lewontin;Eugenics Quarterly,1968
3. Patterns of survival and reproduction in the United States: implications for selection;Kirk,1971
4. Biological state index of human groups;Henneberg;Przeglad Anthropologiczny,1975
5. Reproductive possibilities and estimations of the biological dynamics of earlier human populations;Henneberg;Journal of Human Evolution,1976