1. “The Hearsay-II Speech Understanding System: Integrating Knowledge to Resolve Uncertainty,”;Erman;Computer Survey,1980
2. SOAR: An Architecture for General Intelligence;Laird;Artificial Intelligence,1987
3. Honeywell Inc., “Intelligent Task Automation,” Interim Technical Report II-4, Dec. 1987.
4. J. Lowerie, et al. “Autonomous Land Vehicle,” Annual Report, ETL-0413, Martin Marietta Denver Aerospace, July 1986.
5. D. Smith, and M. Broadwell, “Plan Coordination in Support of Expert Systems Integration,” Knowledge-Based Planning Workshop Proceedings, Austin, TX, December 1987.