Devices for warning drivers of police radar speed measuring
Subtitle: a description and evaluation
By: by Kenneth L. Ward.
Publisher: Traffic Institute, Northwestern University
Published: 1962
Place of publication: [Evanston, Ill.]
Language: eng
Number of pages: 28
Subjects: Radar in speed limit enforcement -- Detection -- Instruments
Notes: Bibliography: p. 28.
Cover title.
"Research project RR 217."