Baroiu, Nicușor, Silviu Berbinsci, Virgil Teodor, Cătălin Fetecău, et Nicolae Oancea. Hyperboloidal Sharpening Method for Multi-Flute Curved Edges Drills. Annals of ”Dunarea de Jos” University of Galati, Fascicle V, Technologies in machine building 28, no. 2 (novembre 14, 2010): 117-124. Consulté le août 24, 2025. https://www.gup.ugal.ro/ugaljournals/index.php/tmb/article/view/1847.