A. Goanță, “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, vol. 20, no. 2, pp. 13-16, Oct. 2013.