An investigation of safety belt usage and effectiveness. Interim report.

National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Highway Safety Research Center, Chapel Hill, N.C.Report covers the period 1 July 1974 to 31 Dec 1974Subject code: DGEORBSubject code: ENJSubject code: JA*JNSubject code: NKHLSubject code: WME