References
[Åm, 1994]
Åm, Onar. Cyberspace and the structure of knowledge. 1994. <URL:http://www.hsr.no/~onar/Ess/Cyberspace_and_the_Structure_of_Knowledge.html>
Cyberspace geography visualization - 15 October 1995
Luc Girardin, The Graduate Institute of International Studies