PUBLICATIONS
Motorcycles
Farmer, C.M., Williams, A.F., Wells, J.K. and Preusser, D.F. Characteristics and Opinions of Motorcycle Owners in Three States. Insurance Institute for Highway Safety, Arlington, VA, April, 1996.
Preusser, D.F., Hedlund, J.H. and Ulmer, R.G. Evaluation of the Motorcycle Helmet Law Repeal in Arkansas and Texas. Final Report to the National Highway Traffic Safety Administration, contract number DTNH22-97-D-05018, report number DOT HS 809 131, September, 2000.
Preusser, D.F., Williams, A.F. and Ulmer, R.G. Analysis of Fatal Motorcycle Crashes: Crash Typing. Accident Analysis and Prevention, 1995, 27(6), 845-851.
Ulmer. R.G.,& Preusser,D.F. Evaluation of the Repeal of Motorcycle Helmet Laws in Kentucky and Louisiana. . Final Report to the National Highway Traffic Safety Administration, contract numberDTNH22-99-D-25099, report number DOT HS 809 530, October, 2003. http://www.nhtsa.dot.gov/people/injury/pedbimot/motorcycle/kenturky-la03/index.html
Ulmer, R.G. & Shabanova-Northrup, V. (2005). Evaluation of the Repeal of the All-Rider Motorcycle Helmet Law in Florida. Final Report to the National Highway Traffic Safety Administration, contract number DTNH22-99-D-25099, Report No. DOT HS 809 849. Available: http://www.nhtsa.dot.gov/people/injury/pedbimot/motorcycle/FlaMCReport/pages/Index.htm