Titlebook: Engineering Mechanics of Materials; B. B. Muvdi,J. W. McNabb Textbook 1991Latest edition Springer-Verlag New York Inc. 1991 concrete.defor

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Wien, der urbane Brennpunkt Mitteleuropas,“kin-altruism” and “reciprocal altruism” can ground cooperative behavior in animals. Analogously, we think that people are disposed to behave cooperatively at least with respect to their kin and, perhaps by a kind of extension, friends and other close group members and, in the case of moral people,

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