Hauk, Niculai. Study on the Relationship Between Stability and Energy Efficiency of Hydraulic Excavators. 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. 1 (juin 2, 2014): 51-54. Consulté le mai 19, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/im/article/view/3537.