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2000 Reciprocal altruism and warfare: A case from the Ecuadorian Amazon L. Cronk N.A. Chagnon W

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826 829 Trivers, R. L. (1971): The evolution of reciprocal altruism. Q. Rev. Biol. 46 : 35-57. The evolution of reciprocal altruism

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Authors: R.I.M. Dunbar and Catherine Kenyatta

Ethol. Sociobiol. 1 83 86 . C.T. Palmer 1991 Kin-selection, reciprocal altruism and information sharing

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References B.C.R. Bertram 1982 Reciprocal altruism, kin selection and mutualism B.C.R. Bertram

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Authors: Ryo Oda, Kai Hiraishi, Yasuyuki Fukukawa and Akiko Matsumoto-Oda

. R.L. Trivers 1971 The evolution of reciprocal altruism The Quarterly Review of Biology 46 35 55

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Trivers, R. L. (1971): The Evolution of Reciprocal Altruism. The Quarterly Review of Biology 46(1): 35. Trivers R. L. The Evolution of Reciprocal Altruism

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helping and altruism: Problems and puzzles . McGraw-Hill, New York Trivers , R. L. (1971) The evolution of reciprocal altruism. Quarterly Review of Biology, 46, 35–57. Van

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transformation: Results of a wavelet MRF method . Computer Graphics Forum , 24 , 449 – 456 . T rivers , R. L. ( 1971 ). The evolution of reciprocal altruism . The Quarterly

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119 143 . R Trivers 1971 The evolution of reciprocal altruism The Quarterly Review of Biology

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). Understanding and sharing intentions: The origins of cultural cognition . Behavioral and Brain Sciences , 28 , 675 – 735 . Trivers , R. L. ( 1971 ). The evolution of reciprocal

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