1. J.M. Smith, G. Price, Nature 246, 15 (1973)
2. M.A. Nowak, Evolutionary Dynamics (Harvard University Press, Cambridge, 2006)
3. J.W. Weibull, Evolutionary Game Theory (MIT Press, Cambridge, 1995)
4. H. Gintis, Game Theory Evolving (Princeton University Press, Princeton, 2000)
5. A. Rapoport, A.M. Chammah, Prisoner’s Dilemma (University of Michigan Press, Ann Arbor, 1970)