TSVYATKOV, Petar; YANKOV, Emil; LAZOV, Lyubomir; TEIRUMNIEKS, Edmunds; PĪGOŽNIS, Karlis. INVESTIGATION OF SURFACE ROUGHNESS OF CARBON STEEL MACHINED PARTS AFTER NANOSECOND FIBER LASER MARKING. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 358–362, 2024. DOI: 10.17770/etr2023vol3.7317. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/7317.. Acesso em: 18 may. 2024.