References
- Churbuck, D. “The Ultimate Computer Game,” Forbes, 145, February 1990, pp. 154–155.
- Fisher, S.S. and J.M. Tazelaar. “Living in a Virtual World,” Byte, 15, 1990, pp. 215–221.
- Lubove, S. “Fooling the Inner Ear,” Forbes, 147, February 1991, p. 110.
- Welter, T. “The Artificial Tourist: Virtual Reality Promises New Worlds for Industry,” Industry Week, 239, 1990, p. 66.