1. Coors, V. (2001). 3D-GIS in Networking Environments, International Workshop on 3D Cadastres, Delft, NL
2. Coors, V. & J. Rossignac (2002) Guess Connectivity: Delphi Encoding in Edgebreaker, Technical Report, Georgia University of Technology
3. Dykes, J. A., Moore, K.E. & D. Fairbairn (1999). From Chernoff to Imhof and Beyond: VRML. and Cartography, Fourth Symposium on the Virtual Reality Modeling Language, ACM Press
4. Gjesdal, O. (2002). Market research in the boat tourism segment, ENTER conference
5. Arlington, VA: Office of Naval Research;E Hunt,1999