Kupfersmid, J. (1995). Does the Oedipus complex exist? Psychotherapy, 32(4), 535-547.
Pusey, A. (2005). Inbreeding avoidance in Primates. In A. P. Wolf & W. H. Durham (Eds.), Inbreeding, incest, and the incest taboo: The state of knowledge at the turn of the century (pp. 61-75). Stanford, CA: Stanford University Press.
Pusey, A., & Wolf, M. (1996). Inbreeding avoidance in animals. Trends in Ecology & Evolution, 11(5), 201-206.