1. Smith, J.R., Mohan, R., Li, C.S.: Scalable Multimedia Delivery for Pervasive Computing. In: Proc. ACM Intl. Conf. on Multimedia (ACMM 1999), Orlando, FL (1999)
2. Microsoft, Architecture of Windows Media Rights Manager,
http://www.microsoft.com/windows/windowsmedia/howto/articles/drmarchitecture.aspx
3. eXtensible right Markup Language (XrML),
http://www.xrml.org
4. ISO/IEC 14496-1:2001 Information Technology-Coding of Audio-Visual Objects-Part 1: Systems
5. ISO/IEC 14496-2:2003 Information Technology-Coding of Audio-Visual Objects-Part 2: Visual