Eftimie, Dorin, und Viorel Blanaru. Computer Aided Design of Equipment Trencher. 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 (Juni 2, 2014): 27-30. Zugegriffen Mai 23, 2025. https://www.gup.ugal.ro/ugaljournals/index.php/im/article/view/3531.