TY - GEN AU - Gilpin,M E AU - Taylor,B L TI - Comment on Harpending's and Roger's model of intergroup selection SN - 0022-5193 PY - 1989///1023 KW - Altruism KW - Models, Genetic KW - Selection, Genetic KW - Social Behavior N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0022-5193(88)80182-6 ER -