Motorcycle helmets
Subtitle: the facts of life.
Contributors: United States. National Highway Traffic Safety Administration.
Publisher: U.S. Dept. of Transportation, National Highway Traffic Safety Administration
Published: 1991
Place of publication: [Washington, D.C. (400 Seventh St., S.W., Washington 20590)
Language: eng
Subjects: Motorcycles -- United States -- Safety measures.; Helmets -- United States -- Safety measures.
Notes: Shipping list no.: 91-425-P.

"February 1991"--P. [8].

"DOT HS 807603"--P. [8].