Vehicles-in-use sub-limit maneuvers. Volume III: effects of vehicle-in-use spring sag on vehicle handling and braking. Final report.

National Highway Traffic Safety Administration, Vehicle Engineering Research Division, Washington, D.C.

Market analysis and consumer impacts source document. Part I: the motor vehicle market in the late 1970's. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.