Debeleac, C. 2013. Study of the palette-obstacle impact for a concrete mixer. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering. 20, 1 (Jun. 2013), 69-72.