References
[Schneider et al., 1995]
Schneider, Daniel K.; Drozdowski, Terrence M.; Glusman, Gustavo; Godard, Richard; Block, K., and Tennison, Jenifer. The evolving TecfaMOO book - Part I: concepts; 1995 August 31. <URL:http://tecfa.unige.ch/moo/book1/tm.html>.
Cyberspace geography visualization - 15 October 1995
Luc Girardin, The Graduate Institute of International Studies