P. Tsvyatkov, E. Yankov, L. Lazov, E. Teirumnieks, and K. Pīgožnis, “INVESTIGATION OF SURFACE ROUGHNESS OF CARBON STEEL MACHINED PARTS AFTER NANOSECOND FIBER LASER MARKING”, ETR, vol. 3, pp. 358–362, Jan. 2024, doi: 10.17770/etr2023vol3.7317.