Squeo, Erica, Giuseppe Bruno, Alessandro Guglielmotti, and Fabrizio Quadrini. “Friction Stir Welding of Polyethylene Sheets”. Annals of ”Dunarea de Jos” University of Galati, Fascicle V, Technologies in machine building 27 (November 8, 2009): 241-246. Accessed April 29, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/tmb/article/view/2009.