“About the hysteresis-loop of the mechanical oscillators” (2011) Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering, 18(1), pp. 35–38. Available at: https://ojs.ugal.ro/index.php/im/article/view/3760 (Accessed: 2 November 2026).