1. Woolridge, M., Jenning, N.R.: Intelligent agents: theory and practice. Knowl. Eng. Rev. 10(2), 115–152 (1995)
2. Lecture Notes in Computer Science;S Franklin,1997
3. Holland, J.H., Emergence: From chaos to order, Perseus Book (1998)
4. Woolridge, M.: An Introduction to Multiagent Systems. Wiley & Sons, New York (2002)
5. Pais, D.: Emergent collective behavior in multi-agent systems: an evolutionary perspective, PhD Dissertation. Princeton University, Princeton NJ (2012)