References
[Kroemker, 1995]
Kroemker, D., editor. Proceedings of the Third International World-Wide Web Conference; 1995 April 10; Darmstadt. Amsterdam: Elsevier; 1995. <URL:http://www.elsevier.nl/>.
Cyberspace geography visualization - 15 October 1995
Luc Girardin, The Graduate Institute of International Studies