1. The factors influencing static equilibrium;Fearing;J Comp Physiol Psychol,1924
2. Okubo, J., Watanabe, I., Takeyda, T., and Baron, B. Influence of foot position and visual field condition in the examination for equilibrium function and sway of the center of gravity in normal persons. Agressologie, 20: 2, 127–132.
3. The influence of foot position on standing balance;Kirby;J Biomech,1987
4. Effect of vision and stance width on human body motion when standing: implications for afferent control of lateral sway;Day;J Physiol,1993
5. Postural sway in amputees and normal subjects;Fernie;J Bone Joint Surg,1978