1. B. K. Powell and W. F. Powers, “Linear Quadratic Control Design for Nonlinear IC Engine Systems,” Presented at ISATA Conference, September 1981, Stockholm, Sweden.
2. W. F. Powers, “Internal Combustion Engine Control Research at Ford,” IEEE Proceedings of Conference on Decision and Control, 1447–1452, Dec. 1981.
3. “Applications of Optimal Control and Kalman Filtering to Automotive Systems,”;Powers;International Journal of Vehicle Design,1983
4. R. L. Morris, M. V. Warlick and R. H. Borcherts, “Engine Idle Dynamics and Control: A 5.8L Application,” SAE Paper No. 820778, June 1982.
5. R. L. Morris and B. K. Powell, “Modern Control Applications in Idle Speed Control,” Proceedings of the 1983 American Control Conference, 79–85, June 1983.