Lind, J, P Lindholm, J Qin, and Å Kassman Rudolphi. “Friction and Wear Studies of Some PEEK Materials”. Tribologia - Finnish Journal of Tribology 33, no. 2 (February 2, 2015): 20–28. Accessed November 21, 2024. https://journal.fi/tribologia/article/view/69255.