1. Agre, P., Chapman, D.: An implementation of a theory of activity. In Proceeding of the Sixth National Conference on Artificial Intelligence (AAAI-87). (1987)
2. Botti, V., Hernandez, L.: Control in Real-Time Multiagent Systems. In: Garijo, F., Lemaitre, C. (eds.): Proceedings of the Second Iberoamerican Workshop on DAI and MAS. Toledo, Spain (1998) 137–148.
3. Bratman, M. E., Israel, D. J., Pollack, M. E.: Toward an architecture for resource-bounded agents. Technical report CSLI-87-104. Center for the Study of Language and Informations, SRI and Stanford University, (1987).
4. Brooks, R. A.: A robust layered control system for a mobile robot. IEE Journal of Robotics and Automation, 2(1):14–23. (1986)
5. Burmeister, B., Sundermeyer, K.: Cooperative problem solving guided by intentions and perceptions. Decentalized AI 3, pages 77–79 Elsevier Science Publisher B.V.: Amsterdam, The Netherlands.(1992)