Paillard, T., Noé, F., Rivière, T., Marion, V., Montoya, R., & Dupui, P. (2006). Postural performance and strategy in the unipedal stance of soccer players at different levels of competition. Journal of athletic training, 41(2), S. 172-176. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1472651/pdf/i1062-6050-41-2-172.pdf

Paillard, Thierry, Frédéric Noé, Terence Rivière, Vincent Marion, Richard Montoya, and Philippe Dupui. "Postural Performance and Strategy in the Unipedal Stance of Soccer Players At Different Levels of Competition." Journal of Athletic Training 41, no. 2 (2006): S. 172-176.

Paillard, Thierry, et al. "Postural Performance and Strategy in the Unipedal Stance of Soccer Players At Different Levels of Competition." Journal of Athletic Training 41.2 (2006): S. 172-176.