1.
Police Radar Operator Error : Microwave and Laser Radar Protocols and Results of Improper Use
by Sawicki, Donald S.
ISBN: 9781475166125
List Price: $7.95
3.
Traffic Radar Handbook A Comprehensive Guide to Speed Measuring Systems
by Sawicki, Donald S.
ISBN: 9780759688339
List Price: $28.95
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Traffic Radar Handbook A Comprehensive Guide to Speed Measuring Systems
by Sawicki, Donald S.
ISBN: 9780759688322
List Price: $17.50