1. Angeline, P. J. (2000). Parse trees. In T. Bäck, D. Fogel, & T. Michalewicz (Eds.), Evolutionary computation 1: basic algorithms and operators. Bristol: Institute of Physics Publishing.
2. Arthur, B. W. (1994). Inductive reasoning and bounded rationality. American Economic Review, 84, 406–411.
3. Axelrod, R. (1984). The evolution of cooperation. New York: Basic Books.
4. Axelrod, R. (1986). An evolutionary approach to norms. The American Political Science Review, 80(4), 1095–1111.
5. Axelrod, R. (1997). The dissemination of culture: a model with local convergence and global polarization. Journal of Conflict Resolution, 41(2), 203–226.