• M. A. Freed. Simulating human performance in complex, dynamic environments. PhD Thesis, (June), 1998.
  • Michael Freed. Managing multiple tasks in complex, dynamic environments. In AAAI, 1998.
  • Michael Freed and Roger Remington. A conceptual framework for predicting error in complex human-machine environments. In Proceedings of the 20th Annual Conference of the Cognitive Science Society, 1998. (doi:10.1017/CBO9781107415324.004)
  • M. A. Freed, M. G. Shafto, and R. W. Remington. Employing simulation to evaluate designs: The APEX approach. In Engineering for Human-Computer Interaction, pages 207–223. Springer US, 1999. (doi:10.1007/978-0-387-35349-4_12)
  • W. Fitzgerald and R. J. Firby. Dialogue systems require a reactive task architecture. Proceedings of the AAAI Spring Symposium, 2000.
  • M. Freed and R. Remington. Making human-machine system simulation a practical engineering tool: An APEX overview. In Proceedings of the 3rd International Conference on Cognitive Modelling, 2000.
  • Michael Freed, Travis Bear, Herrick Goldman, Geoffrey Hyatt, Paul Reber, and Joshua Tauber. Towards more human-like computer opponents. Working Notes of the AAAI Spring Symposium on Artificial Intelligence and Interactive Entertainment, (1):22–26, 2000.
  • Michael Freed and Eric Dahlman. Requirements for Inferring the Intensions of Multitasking Reactive Agents. AAAI Technical Report FS-02-05, 2002.
  • M. Whalley, M. Takahashi, G. Schulein, M. Freed, D. Christian, A. Patterson-Hine, and R. Harris. The NASA / Army Autonomous Rotorcraft Project. In 59th American Helicopter Society Annual Forum, 2003.
  • M. Freed, W. Fitzgerald, and R. Harris. Intelligent Autonomous Surveillance of Many Targets with few UAVS. In Proceedings of the Research and Development Partnering Conference, Department of Homeland Security, Boston, 2005.
  • Michael Freed, Pete Bonasso, K. Dalal, William Fitzgerald, Chad Frost, and Robert Harris. An Architecture for Intelligent Management of Aerial Observation Missions. AIAA Infotech@ Aerospace, number AIAA-2005-6938, 2005. (doi:10.2514/6.2005-6938)
  • Vandi Verma, Ari Jónsson, Reid Simmons, Tara Estlin, and Rich Levinson. Survey of command execution systems for NASA spacecraft and robots. In "Plan Execution: A Reality Check" Workshop at The International Conference on Automated Planning & Scheduling (ICAPS), 2005.
  • Michael A Freed. Apex reference manual 3.0 beta., 2006.