1. British Standards Institution, L., UK 2007. BS EN 15301-1 Surfaces for sports areas — Determination of rotational resistance.
2. Canaway, P.M., Bell, M., 1986. An apparatus for measuring traction and friction on natural and artificial playing surfaces. Journal of the Sports Turf Research Institute 62, 211-214.
3. Cawley, P.W., Heidt, R.S., Scranton, P.E., Losse, G.M., Howard, M.E., 2003. Physiologic axial load, frictional resistance, and the football shoe-surface interface. Foot & Ankle International 24, 551-556.
4. Cooper, B., Pfeiffer, R., Sabick, M., Kuhlman, S., Simonson, S., Shea, K., 2009. Peak traction coefficients of cleated athletic shoes at various angles of internal rotation on artificial turf. American Society of Biomechanics Annual Meeting, State College, PA.
5. Federation Internationale de Football Association (FIFA), 2009. FIFA Quality Concepts for Football Turf: Handbook of requirements.