References
[Backer and Gelsema, 1992]
Backer, E. and Gelsema, E.S., general chairmen. Proceedings of the 11th IAPR International Conference on Pattern Recognition; The Hague; 1992 August 30-September 3.
Cyberspace geography visualization - 15 October 1995
Luc Girardin, The Graduate Institute of International Studies