PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
The alert did not successfully save. Please try again later.
Stephen P. McGrew, "Book Review: Optical Document Security. Edited by Rudolf L. van Renesse," Opt. Eng. 34(2) (1 February 1995) https://doi.org/10.1117/1.OE.34.2.bkrvw1