Šušmak, Slavko, Jerko Radoš, and Kristijan Rogić. “Kinematic Changes and Their Influence on the Durability of Universal Joints”. Promet - Traffic&Transportation 12, no. 5-6 (October 11, 2012): 249–255. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/1925.