Media type: Electronic Conference Proceeding Title: Diffractive moire features for optically variable devices Contributor: Schilling, Andreas; Tompkin, Wayne R.; Staub, René; Hersch, Roger D.; Chosson, Sylvain; Amidror, Isaac imprint: SPIE, 2006 Published in: SPIE Proceedings Extent: Language: Not determined DOI: 10.1117/12.642910 ISSN: 0277-786X Origination: Footnote: