Kowalczyk, P. “Influence of Bone Anisotropy on Stress Distribution and Optimum Shape of Cementless Femoral Implants”. Engineering Transactions 51, no. 2-3 (June 26, 2015): 195–214. Accessed January 17, 2026. http://et.ippt.gov.pl/index.php/et/article/view/486.