References
[Batista et al., 1994]
Battista, Giuseppe Di; Tamassia, Roberto; Eades, Peter; Tollis, Ioannis G. Algorithms for drawing graphs: an annotated bibliography. 1994 June. <URL:ftp://wilma.cs.brown.edu/pub/papers/compgeo/gdbiblio.ps.Z>.
Cyberspace geography visualization - 15 October 1995
Luc Girardin, The Graduate Institute of International Studies