1. The computer as a communication device;Licklider;International Science and Technology,1978
2. An introduction to HITS: Human Interface Tool Suite;Hollan,1991
3. What is artificial reality? Wear a computer and see;Pollack;New York Times,1989
4. Re-creating reality;D'Arcy;MacCleans,1990
5. Through the looking glass into an artificial world-via computer;Stewart;Smithsonian Magazine,1991