1. Agre, P. E. and Chapman, D. Pengi - an implementation of a theory of activity. Proceedings of the Fifth National Conference on Artificial Intelligence.
2. Animate vision
3. Bonasso, R. P., Antonisse, H. J. and Slack, M. G. A reactive robot system for find and fetch tasks in an outdoor environment. Proceedings of the Tenth National Conference on Artificial Intelligence.
4. A robust layered control system for a mobile robot