1. Physics education in a virtual environment;Berelsford,1993
2. Virtual reality learning environments: Potential and challenges;Bricken,1991
3. Designing virtual worlds for use in mathematics education: The example of experiential algebra;Bricken;Educational Technol.,1992
4. DIVE — a multi-user virtual reality system;Carlsson,1993
5. Exploring virtual worlds with head-mounted displays;Chung,1989