1. Physician's Guide to Assessing and Counseling Older Drivers;AMA,2003
2. Global Positioning Systems for Personal Travel Surveys, Lexington Area Travel Data Collection Test. Final Report to Office of Highway Information Management;Battelle Transportation Division,1997
3. IIHS, 2005. Insurance Institute for Highway Safety analysis of data from the U.S.DOT Fatality Analysis Reporting System and the National Household Travel Survey. Source: http://www.iihs.org/research/fatality_facts/olderpeople.html.
4. Accidents, mileage, and the exaggeration of risk;Janke;Accid. Anal. Prev.,1991
5. A reassessment of older drivers as a road safety risk;Langford;IATSS Res.,2006