Impact of motorcycle helmet usage in Colorado: a three year study. Technical appendix. Final report.

National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Colorado Division of Highway Safety, DenverReport covers the period July-Sept, 1976-1978. Contract amount $38,534Subject code: EO*DEBSubject code: JLISubject code: JLTSubject code: PDDTSubject code: RCCFSubject code: WT