(Appiah:2003) Kwame Anthony Appiah. Thinking it Through. An Introduction to
Contemporary Philosophy. Oxford University Press, 2003.
(Ashworth:1980) Tony Ashworth. Trench Warfare 1914-1918. The Live and Let Live
System. MacMillan Press Ltd., 1980.
(Axelrod:1984) Robert Axelrod. Die Evolution der Kooperation. R. Oldenbourg
Verlag, deutsche Übersetzung, 5. auflage (2000) edition, 1984.
(Binmore:1998) Ken Binmore. Game Theory and the Social Contract II. Just Playing.
MIT Press, Cambridge, Massachusetts / London, England, 1998.
(Dugatkin:1997) Lee Alan Dugatkin. Cooperation among Animals. Oxford University
Press, Oxford / New York, 1997.
(Hammerstein:2003) Peter Hammerstein, editor. Genetic and Cultural Evolution.
MIT Press in cooperation with Dahlem University Press, Cambridge, Massachusetts
/ London, England, 2003.
(Kitcher:1999) Philip Kitcher. Games social animals play: Commentary on brian skyrms's
evolution of the social contract. Philosophy and Phenomenological
Research, LIX, No. 1, March:221-228, 1999.
(Milinski:1987) Manfred Milinski. Tit for tat in sticklebacks and the evolution of
cooperation. nature, 325, January:433-435, 1987.
(Milinski,Parker:1997) Manfred Milinski and Geoffrey A. Parker. Cooperation under predation
risk: a data-based ess analysis. Proceedings of the Royal Society,
264:1239-1247, 1997.
(Schuessler:1997) Rudolf Schüßler. Kooperation unter Egoisten: Vier Dilemmata.
R. Oldenbourg Verlag, München, 2. auflage (1997) edition, 1990.
(Skyrms:1996) Brian Skyrms. Evolution of the Social Contract. Cambridge
University Press, 1996.
(Skyrms:2004) Brian Skyrms. The Stag Hunt Game and the Evolution of Social Structure.
Cambridge University Press, 2004.