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SPIE Proceedings [SPIE Systems of Optical Security - Warsaw, Poland (Wednesday 25 October 2000)] Optical Sensing for Public Safety, Health, and Security - Set of line gratings as a diffraction structure protecting optical signs against copying: new proposal including colorimetric aspects
Kraska, Zbigniew, Szyjer, Mariusz, Kowalik, Andrzej, Pluta, MaksymilianVolume:
4535
Year:
2001
Language:
english
DOI:
10.1117/12.438432
File:
PDF, 1024 KB
english, 2001