A. Blaga, V. Oleksik, O. Bologa, and B. Pîrvu, “Influence of geometric parameters on forces in single point incremental forming process for various parts”, Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering, vol. 18, no. 2, pp. 33-38, Nov. 2011.