1. Radar detectors and speeds in Maryland and Virginia;Ciccone,1987
2. The role of alcohol in fatal traffic crashes;Donelson,1989
3. Radar detector use and speeds in Maryland and Virginia;Freedman,1990
4. A survey about radar detectors and driving behaviour;Opinion Research Corporation,1988
5. Radar detectors spark controversy at TRB meeting;Overend;Traffic Safety,1988