Security, steganography, and watermarking of multimedia contents IX : 29 January-1 February 2007, San Jose, California, USA. 2007. Bellingham, Wash.. SPIE - The International Society of Optical Engineering
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Metrology, inspection, and process control for microlithography XXII. 1 pp.69220I-1-69220I-6, 2008. Bellingham, Wash.. Society of Photo-optical Instrumentation Engineers
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