Balchev, Ivaylo, Lyubomir Lazov, and Edmunds Teirumnieks. “PRECISION MICROMACHINING OF METALS BY CUBR LASER”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 20, 2019): 13–17. Accessed May 9, 2024. https://journals.rta.lv/index.php/ETR/article/view/4178.