Investigation of process forces of ultrasonically assisted scratch tests. International Conference on Stone and Concrete Machining (ICSCM), [S. l.], v. 3, p. 137–145, 2015. DOI: 10.13154/icscm.3.2015.137-145. Disponível em: https://tosc.iacr.org/index.php/ICSCM/article/view/396.. Acesso em: 1 jan. 2025.