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3. ContentGuard (2001), eXtensible Rights Markup Language (XrML). Example Use Cases, 20 November, ContentGuard, Bethesda, MD, available at: www.xrml.org/spec/2001/11/ExampleUseCases.htm
4. ContentGuard (2003), XrML: eXtensible Rights Markup Language, home page, ContentGuard, Bethesda, MD, available at: www.xrml.org/
5. Dawson, L. (2003), “How will you shape the future?”, PowerPoint presentation at the American Library Association Midwinter Conference, Philadelphia, PA, January.