1. Agah, A., Bekey, G.A.: Tropism-based cognition: a novel software architecture for agents in colonies. Journal of Experimental and Theoretical Artificial Intelligence 9, 393–404 (1997)
2. Arkin, R.C., Bekey, G.A.: Robot Colonies. Springer, Heidelberg (1997)
3. Arkin, R.C., Balch, T.: Cooperative multiagent robotic systems. In: Kortenkamp, D., Bonasso, R.P., Murphy, R. (eds.) Artificial Intelligence and Mobile Robots, pp. 277–295. AAAI Press/MIT Press (1998)
4. Brooks: A robust layered control system for a mobile robot. IEEE Journal of Robotics and Automation RA-2, 14–23
5. Dellarocas, C.: Reputation Mechanisms. In: Hendershott, T. (ed.) Handbook on Information Systems and Economics, pp. 154–165. Elsevier, Amsterdam (2006)