00512nam a2200145Ia 4500003000900000008004100009020002600050040001600076100002400092245006100116260003300177300002000210490003300230856010300263IN-BaIIA211028s9999    xx      s     000 0 eng d  a9780819402516 (Print)  cIIA Library  aFagan, William, ed. 0aOptical Security and Anticounterfeiting Systemsh[eBook]  aWashington, USAbSPIEc1990   aOnline resource  aProceedings of SPIE; V. 1210  uhttps://www.spiedigitallibrary.org/conference-proceedings-of-spie/1210yClick Here to Access eBook