1. Pengi: an implementation of a theory of activity;Agre,1987
2. Infusion of autonomy technology into space missions—DS1 lessons learned;Aljabri,1998
3. Maintaining knowledge about temporal intervals;Allen;Communications of the ACM,1983
4. Rapper: the copier modeling project;Bell,1994
5. Design of the remote agent experiment for spacecraft autonomy;Bernard,1998