NCJ Number
35179
Journal
Security World Volume: 11 Issue: 2 Dated: (JANUARY 1974) Pages: 24,25 AND 57
Date Published
1976
Length
3 pages
Annotation
A DESCRIPTION OF THE OPERATING PRINCIPLES AND PRACTICAL APPLICATIONS OF AUDIO, MICROWAVE, ULTRASONIC, AND MINISONIC INTRUSION DETECTORS, WITH SUGGESTIONS FOR SELECTION AND INSTALLATION.