Tontchev, Nikolay, Normunds Teirumnieks, Emil Yankov, and Valentin Gaydarov. “MULTI-CRITERIA RESEARCH OF GEOMETRIC, MECHANICAL, ENERGETIC ANDTEMPORAL INDICATORS DEPENDING ON LASER HARDENING PARAMETERS”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 22, 2024): 449–455. Accessed November 23, 2024. https://journals.ru.lv/index.php/ETR/article/view/8183.