„Considerations on 2D constraints for drawings made with existing design software“. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 20, no. 2 (Oktober 8, 2013): 13–16. Zugegriffen November 2, 2026. https://ojs.ugal.ro/index.php/im/article/view/3602.