Impacts of motorcycle helmet law repeal in South Dakota
By: prepared for U.S. Department of Transportation, National Highway Traffic Safety Administration
Contributors: United States. National Highway Traffic Safety Administration; University of South Dakota. Human Factors Laboratory
Publisher: The Administration; National Technical Information Service [distributor
Published: 1979
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Subjects: Motorcycles -- Safety measures; Traffic accidents -- South Dakota; Helmets -- South Dakota
Notes: Cover title

"Human Factors Laboratory, University of South Dakota."

"January 1979."

"Contract no. DOT-HS-6-01423."

"DOT HS-803 996."

"Report no. HFL-78-7."
Table of contents: value: v. 1. Final report