Leopa, Adrian. “The Friction Force Dependence at Simple Pendulum Sliders by Relative Speed and Temperature of the Surfaces in Contact”. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 21, no. 2 (October 11, 2014): 31-34. Accessed May 5, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/im/article/view/3548.