1. Introgressive Hybridization;Anderson,1949
2. Adaptive hitchhiking effects on genome variability;Andolfatto;Curr. Opin. Genet. Dev.,2001
3. An Introduction to Physical Anthropology;Ashley Montagu,1960
4. Growing Young;Ashley Montagu,1989
5. The Psychoanalysis of Culture;Badcock,1980