1. Behnke, S., Frötschl, B., Rojas, R., Ackers, P., Lindstrot, W., de Melo, M., Schebesch, A., Simon, M., Sprengel, M, Tenchio, M.: Using hierarchical dynamical systems to control reactive behavior. In: Veloso, M., Pagello, E., Kitano, H. (eds): RoboCup-99: Robot Soccer World Cup III, pp. 186–195, Springer, 2000.
2. Simon, M., Behnke, S., Rojas, R.: Robust Real Time Color Tracking. In: Stone, P., Balch, T., Kraetszchmar (eds): RoboCup-2000: Robot Soccer World Cup IV, pp. 239–248, Springer, 2001.
3. Behnke, S., Rojas, R.: A Hierarchy of Reactive Behaviors Handles Complexity. In: Hannebauer, M., Wendler, J., Pagello, E. (eds.): Balancing Reactivity and Social Deliberation in Multi-Agent Systems, pp. 125–136, Springer, 2001.
4. Reshko, G., Mason, M., Nourbakhsh, I.: Rapid Prototyping of Small Robots, Technical Report, CMU, 2000.
5. Palm Pilot Robot Kit. The Robotics Institute, CMU,
http://www.cmu.edu/~pprk
.