References

Pimentel and Teixeira, 1995

Pimentel, K. and Teixeira, K. (1995). Virtual Reality : Through the new looking glass (2nd Edition). Mac Graw-Hill.

Schmalstieg et al., 1995

Schmalstieg, D., FAisstnauer, C., and Mazuryk, T. (1995). Constructing a highly immersive virtual environment: A case study. Technical Report TR-186-2-95-12, Institute of Computer Graphics, Technical University of Vienna.
[online document].