1. Borchert O, Bergstrom A, Hockemeyer J, the Worldwide Web Instructional Committee (2001) Recent advances in immersive virtual worlds for education. In: Proceedings of the 34th annual midwest instruction and computing symposium (MICS-01), Cedar Falls, IA, USA, 5–7 April 2001: [cd-rom:/papers/borchert.pdf]
2. Curtis P (1992) Mudding: social phenomena in text-based virtual realities. In: Proceedings of the conference on directions and implications of advanced computing (sponsored by computer professionals for social responsibility), Berkeley
3. Hooker R, Slator BM (1996) A model of consumer decision making for a mud based game. In: Proceedings of the simulation-based learning technology workshop at the third international conference on intelligent tutoring systems (ITS’96), Montréal, 11 June 1996, pp 49–58
4. Mack J, Slator BM, Boulais K, Doan V, Stanford C, the students of CS345 (2003) Learning by earning: the Dollar Bay project. In: Proceedings of the 36th annual midwest instruction and computing symposium (MICS-01), Duluth, MN, USA, 5–7 April 2003: [cd-rom:/papers/mack.pdf]
5. Piirto, R (1990) Measuring minds in the 1990s. American demographics, December