1. Travel in immersive virtual environments: an evaluation of viewpoint motion control techniques," in Virtual Reality Annual International Symposium, 1997;Bowman D. A.;IEEE,1997
2. H. Iwata "Walking about virtual environments on an infinite floor " in Proceedings IEEE Virtual Reality (Cat. No. 99CB36316) 1999 pp. 286--293. H. Iwata "Walking about virtual environments on an infinite floor " in Proceedings IEEE Virtual Reality (Cat. No. 99CB36316) 1999 pp. 286--293.
3. Walking > walking-in-place > flying, in virtual environments
4. Limbic Life "Limbic Chair." {Online}. Available: https://www.limbic-life.com/limbic-chair-custom/. {Accessed: 01-Apr-2019}. Limbic Life "Limbic Chair." {Online}. Available: https://www.limbic-life.com/limbic-chair-custom/. {Accessed: 01-Apr-2019}.