Complementing DRM with digital watermarking: mark, search, retrieve.

Patrick Wolf Martin Steinebach Konstantin Diener Complementing DRM with digital watermarking: mark, search, retrieve. 10-21 2007 31 Online Information Review 1 http://dx.doi.org/10.1108/14684520710731001 db/journals/oir/oir31.html#WolfSD07