00634cam 2200205 450 2037083http://id.bnportugal.gov.pt/bib/porbase/203708320030423231800.00-465-02121-248970PTBN0015493319880304d1984 k y0pora0103 baengUS<The >evolution of cooperationRobert AxelrodNew YorkBasic Bookscop. 1984241 p.21 cm301.162.1inteng353724AxelrodRobert M.353725PTBNRPC301.165 AXEcoopUCJPIImq242590bccoopUCJPII88-29180BGUM 301.162.1coopUMSDmq242589bccoopUMSD42247/EG0