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Journal Article PRIMATE SOCIETIES: GROUP TECHNIQUES OF ECOLOGICAL ADAPTATION Get access Benjamin B. Beck Benjamin B. Beck Chicago Zoological Park Brookfield Illinois Search for other works by this author on: Oxford Academic Google Scholar Evolution, Volume 26, Issue 3, 1 September 1972, Pages 484–485, https://doi.org/10.1111/j.1558-5646.1972.tb01952.x Published: 01 September 1972 Article history Received: 10 August 1971 Published: 01 September 1972
Ben Beck (Fri,) studied this question.