0.20 David F. Aberle Urie Bronfenbrenner Eckhard H. Hess Daniel R. Miller David M. Schneider James N. Spuhler, The Incest Taboo and the Mating Patterns of Animals, American Anthropologist, 1963.

{ family marriage children women }	0.26
{ human behavior evolution social }	0.20
{ social analysis terms cultural }	0.10
{ fact point evidence anthropologist }	0.09