1. Bourg, D.M., Seemann, G.: AI for Game Developers. O’Reilly Media, Sebastopol (2004)
2. Grand, S.: Creatures: an exercise in creation. IEEE Intelligent Systems Magazine (July 1997)
3. Bratman, M.E.: Intention, Plans, and Practical Reason. CSLI Publishing, USA (1987)
4. Wooldridge, M.: Reasoning About Rational Agents. MIT Press, USA (2000)
5. Orkin, J.: Three states and a plan: The a.i. of f.e.a.r. In: Game Developers Conference, CMP Game Group, SanJose, California (2006)