On the necessary condition for optimal control of nonlinear systems.

"Prepared under contract Nonr-225(11) (NR-041-086) for Office of Naval Research."

Evaluation of emergency vehicle signal preemption on the Route 7 Virginia corridor.

Federal Highway Administration, Office of Operations Research and Development, McLean, Va.

Human factors criteria for vehicle controls and displays. Appendix C. Final report.

National Highway Traffic Safety Administration, Washington, D.C.