1. The Jargon Dictionary at http://info.astrian.net/jargon/ dated 19/01/2003
2. Graphic, Visualization, & Usability Center’s (GVU) 7th WWW User Survey at http://www.cc.gatech.edu/gvu/user_surveys/survey-1997-04/ dated 19/01/2003
3. Evans, M P. Furnell, S M., “The Resource Locator service: Fixing a law in the web”, The International Journal of Distributed Informatique, v 37 n3–4 Nov 5 2001, Computer NetWorks.
4. Markwell, J. Brooks, D.W. “Broken links: The ephemeral nature of educational WWW hyperlinks”, Journal of Science Education and Technology, June 2002
5. Rumsey, M. “Runaway Train: Problems of Permanence, Accessibility, and Stability in the Use of Web Sources in law Review Citations”, Law Library Journal vol 94:1