Enrico Magli Marco Grangetto Gabriella Olmo Conditional Access to H.264/AVC Video with Drift Control. 1353-1356 2006 conf/icmcs/2006 ICME http://doi.ieeecomputersociety.org/10.1109/ICME.2006.262810 db/conf/icmcs/icme2006.html#MagliGO06