Fabien A. P. Petitcolas, Ross J. Anderson, Markus G. Kuhn. Attacks on Copyright Marking Systems. In David Aucsmith, editor, Information Hiding, Second International Workshop, Portland, Oregon, USA, April 14-17, 1998, Proceedings. Volume 1525 of Lecture Notes in Computer Science, pages 218-238, Springer, 1998. [doi]