Dorin, Eftimie, und Viorel Blanaru. Vacuum Press With Worm. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 23, no. 1 (Juli 24, 2016): 9-12. Zugegriffen April 20, 2025. https://gup.ugal.ro/ugaljournals/index.php/im/article/view/1570.