Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	Kevin W. Arthur , Kellogg S. Booth , Colin Ware, Evaluating 3D task performance for fish tank virtual worlds, ACM Transactions on Information Systems (TOIS), v.11 n.3, p.239-265, July 1993  [doi>10.1145/159161.155359]
	2	Chuck Blanchard , Scott Burgess , Young Harvill , Jaron Lanier , Ann Lasko , Mark Oberman , Mike Teitel, Reality built for two: a virtual reality tool, Proceedings of the 1990 symposium on Interactive 3D graphics, p.35-36, February 1990, Snowbird, Utah, United States
	3	Braddick, O.J., & Holliday, I.E. (1991). Serial search for targets defined by divergence or deformation of optic flow. Perception, 20_, 345-354.
	4	Frederick P. Brooks, Jr., Walkthrough—a dynamic graphics system for simulating virtual buildings, Proceedings of the 1986 workshop on Interactive 3D graphics, p.9-21, January 1987, Chapel Hill, North Carolina, United States  [doi>10.1145/319120.319122]
	5	Steve Bryson , Creon Levit, The Virtual Wind Tunnel, IEEE Computer Graphics and Applications, v.12 n.4, p.25-34, July 1992  [doi>10.1109/38.144824]
	6	James C. Chung, A comparison of head-tracked and non-head-tracked steering modes in the targeting of radiotherapy treatment beams, Proceedings of the 1992 symposium on Interactive 3D graphics, p.193-196, June 1992, Cambridge, Massachusetts, United States  [doi>10.1145/147156.147204]
	7	Carolina Cruz-Neira , Daniel J. Sandin , Thomas A. DeFanti, Surround-screen projection-based virtual reality: the design and implementation of the CAVE, Proceedings of the 20th annual conference on Computer graphics and interactive techniques, p.135-142, September 1993  [doi>10.1145/166117.166134]
	8	S. S. Fisher , M. McGreevy , J. Humphries , W. Robinett, Virtual environment display system, Proceedings of the 1986 workshop on Interactive 3D graphics, p.77-87, January 1987, Chapel Hill, North Carolina, United States  [doi>10.1145/319120.319127]
	9	Carrie Heeter, Being there: the subjective experience of presence, Presence: Teleoperators and Virtual Environments, v.1 n.2, p.262-271, Spring 1992
	10	HMD: Virtual Research Flight Helmettm. Company information available via www.virtualresearch.com.
	11	Jiandong Liang , Chris Shaw , Mark Green, On temporal-spatial realism in the virtual reality environment, Proceedings of the 4th annual ACM symposium on User interface software and technology, p.19-25, November 11-13, 1991, Hilton Head, South Carolina, United States  [doi>10.1145/120782.120784]
	12	R. Bowen Loftin , Patrick J. Kenney, Training the Hubble Space Telescope Flight Team, IEEE Computer Graphics and Applications, v.15 n.5, p.31-37, September 1995  [doi>10.1109/38.403825]
	13	Michael McKenna, Interactive viewpoint control and three-dimensional operations, Proceedings of the 1992 symposium on Interactive 3D graphics, p.53-56, June 1992, Cambridge, Massachusetts, United States  [doi>10.1145/147156.147163]
	14	NAS: Virtual Reality: Scientific and Technological Challenges, Committe on Virtual Reality Research and Development, National Research Council, Nathaniel Durlach and Anne Mavor, editors, National Academy of Science Press, 1995, ISBN 0-309-05135-5.
	15	PUSH: Information for the PUSH device can be found at http:// www.fakespace.com
	16	Pausch Randy, Shackelford M. Aanne., Proffitt, Dennis., A User Study Comparing Head-Mounted and Stationary Displays, IEEE 1993 Symposium on Research Frontiers in Virtual Reality, October, 1993, pages 41-45.
	17	Randy Pausch , Jon Snoddy , Robert Taylor , Scott Watson , Eric Haseltine, Disney's Aladdin: first steps toward storytelling in virtual reality, Proceedings of the 23rd annual conference on Computer graphics and interactive techniques, p.193-203, August 1996  [doi>10.1145/237170.237257]
	18	Warren Robinett, Synthetic experience: a proposed taxonomy, Presence: Teleoperators and Virtual Environments, v.1 n.2, p.229-247, Spring 1992
	19	Smets, G., and Overbeeke, K., Trade-Off Between Resolution and Interactivity in Spatial Task Performance.
	20	Sutherland, I. 1968. A head-mounted three-dimensional display. In Proceeding of the Fall Joint Computer Conference. AFIPS Conference Proceedings, vol. 33. AFIPS, Arlington, VA., 757- 764.
	21	Tracker: Polhemus FASTRACKtm. Company information available via www.polhemus.com.
	22	Colin Ware , Glenn Franck, Evaluating stereo and motion cues for visualizing information nets in three dimensions, ACM Transactions on Graphics (TOG), v.15 n.2, p.121-140, April 1996  [doi>10.1145/234972.234975]
	23	Colin Ware , Kevin Arthur , Kellogg S. Booth, Fish tank virtual reality, Proceedings of the SIGCHI conference on Human factors in computing systems, p.37-42, April 24-29, 1993, Amsterdam, The Netherlands  [doi>10.1145/169059.169066]
	24	David Zeltzer, Autonomy, interaction, and presence, Presence: Teleoperators and Virtual Environments, v.1 n.1, p.127-132, Winter 1992

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