The CEL
DRM Ecosystem 2004 05 10
DRM for digital broadcast
DRM-Enabled business models in multimedia commerce
CM DRMwhitepaper
Profiling and binary encoding of the MPEG REL for embedded DRM systems Paper
Profiling and binary encoding of the MPEG REL for embedded DRM systems Slides
DRM the future of global digital media
Design principles and issues of REL for DRM
On DRM interoperabillity and compatibility