Eftimie, D. and Blanaru, V. 2014. 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, 1 (Jun. 2014), 27-30.