0.61 Thad Q. Bartlett Robert W. Sussman James M. Cheverud, Infant Killing in Primates: A Review of Observed Cases with Specific Reference to the Sexual Selection Hypothesis, American Anthropologist, 1993.

{ human behavior evolution social } 0.61
{ number data group table } 0.08
{ university press american pp } 0.06
{ fact point evidence anthropologist } 0.06