1. The dija project: synthetic cooperative modeling for cad;Gardan,2001
2. Basic components of the dija project;Danesi,2002
3. Towards a web-based cad system;Danesi,2001
4. Distributed open inventor: a practical approach to distributed 3d graphics;Hesina,1999
5. Ring: A client-server system for multi-user virtual environments;Funkhouser,1995