Lazov, Lyubomir, Nikolay Angelov, and Edmunds Teirumnieks. “METHOD FOR PRELIMINARY ESTIMATION OF THE CRITICAL POWER DENSITY IN LASER TECHNOLOGICAL PROCESSES”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 20, 2019): 129–133. Accessed May 7, 2024. https://journals.rta.lv/index.php/ETR/article/view/4140.