1. 1977 Nationwide Personal Transportation Study: Users' Guide for the Public Use Tapes;Asin,1980
2. Use of the nationwide personal transportation study to calculate exposure;Carsten;HSRI Res. Rev.,1981
3. Teenage drivers and motor vehicle deaths;Karpf;Accid. Anal. & Prev.,1983
4. Fatal Accident Reporting System;National Highway Traffic Safety Administration,1975