NCJ Number
26211
Journal
SECURITY GAZETTE Volume: 16 Issue: 11 Dated: (NOVEMBER 1974) Pages: 409-410
Date Published
1974
Length
2 pages
Annotation
TWO METHODS HAVE BEEN DEVELOPED RECENTLY THAT PRODUCE UNIQUE IDENTIFYING LIGHT PATTERNS FOR GEMS: THERE IS CONTROVERSY OVER WHICH METHOD IS BETTER SUITED TO THE TASK OF IDENTIFYING GEMS AND ELIMINATING SUBSTITUTIONS.