“Graphical Method in Autocad for Profiling Tools for Generation of Helical Surfaces”. Annals of ”Dunarea de Jos” University of Galati, Fascicle V, Technologies in machine building 32 (November 9, 2014): 13–16. Accessed November 2, 2026. https://ojs.ugal.ro/index.php/tmb/article/view/1507.