@article{Freeman, author = {Freeman, Derek}, title = {Human Aggression in Anthropological Perspective}, series = {The Natural History of Aggression. Published for the Institute of Biology by Academic Press, London, New York, pp. 109-118.}, journal = {The Natural History of Aggression. Published for the Institute of Biology by Academic Press, London, New York, pp. 109-118.}, language = {en} }