1. Darwinism and human affairs;Alexander,1987
2. Sexual dimorphisms and breeding systems in pinnepeds, ungulates, primates, and humans;Alexander,1979
3. Aggression;Berkowitz,1993
4. The psychology of aggression;Buss,1961
5. From vigilance to violence: Tactics of mate retention;Buss;Ethology and Sociobiology,1988