C.  Bouras, Tsiatsos, T., Psaltoulis, D., and Psaroudis, C., ?Multi ? User Layer in the EVE Distributed Virtual Reality Platform?, in 5th International Workshop on Multimedia Networks Systems and Applications (MNSA2003), Providence, Rhode Island, USA, 2003, pp.  602 - 607.

C.  Bouras, Tsiatsos, T., Psaltoulis, D., and Psaroudis, C., ?An Educational Community Using Collaborative Virtual Environments?, in 1st International Conference on Web-based Learning, Hong Kong, China, 2002, pp.  180 - 191.

C.  Bouras, Tsiatsos, T., Psaltoulis, D., and Psaroudis, C., ?A Platform for Sharing Educational Virtual Environments?, in 9th International Conference on Software, Telecommunications and Computer Networks (SoftCOM 2001) Split, Dubrovnik (Croatia) Ancona, Bari (Italy), Vol II, 2001, pp.  659 - 666.