« Study on the relationship between stability and energy efficiency of hydraulic excavators ». 2014. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 21 (1): 51-54. https://ojs.ugal.ro/index.php/im/article/view/3537.