Kazuhiro Haramura Maki Yoshida Toru Fujiwara Anonymous Fingerprinting for Predelivery of Contents. 134-151 2008 ICISC http://dx.doi.org/10.1007/978-3-642-00730-9_9 conf/icisc/2008 db/conf/icisc/icisc2008.html#HaramuraYF08