M. Usoh, K. Arthur, M. C. Whitton, R. Bastos, A. Steed et al., Walking > walking-in-place > flying, in virtual environments, Proceedings of the 26th annual conference on Computer graphics and interactive techniques , SIGGRAPH '99, pp.359-364, 1999.
DOI : 10.1145/311535.311589

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

M. Heintz, Real Walking in Virtual Learning Environments: Beyond the Advantage of Naturalness In: Learning in the Synergy of Multiple Disciplines, TEL 2009, pp.584-595, 2009.

W. R. Sherman and A. B. Craig, Understanding Virtual Reality, 2003.

D. Luca and A. , The Motion Control Problem for the CyberCarpet, Proceeding of the 2006 IEEE International Conference on Robotics and Automation, pp.3532-3535, 2006.

D. A. Winter, Human balance and posture control during standing and walking. Gait and Posture, pp.193-214, 1995.
DOI : 10.1016/0966-6362(96)82849-9

R. J. Elble, C. Moody, K. Leffler, and R. Sinha, The initiation of normal walking, Movement Disorders, vol.14, issue.2, pp.139-146, 1994.
DOI : 10.2106/00004623-197961020-00011

Y. Breniere, When and how does steady state gait movement induced from upright posture begin?, Journal of Biomechanics, vol.19, issue.12, pp.1035-1040, 1986.
DOI : 10.1016/0021-9290(86)90120-X

K. Halvorsen and M. Eriksson, Minimal Marker Set for Center of Mass Estimation in Running. Gait and Posture, pp.552-555, 2009.

C. T. Farley and D. P. Ferris, 10 Biomechanics of Walking and Running, Exercise and Sport Sciences Reviews, vol.26, pp.253-285, 1998.
DOI : 10.1249/00003677-199800260-00012

C. Forsell and K. Halvorsen, A method for determining minimal sets of markers for the estimation of center of mass, linear and angular momentum, Journal of Biomechanics, vol.42, issue.3, pp.361-365, 2009.
DOI : 10.1016/j.jbiomech.2008.10.029

M. W. Whittle, Gait analysis, Butterworth-Heinemann, 2007.
DOI : 10.1016/B978-0-7506-0170-2.50017-0