Vorkalis, A. and Lazov, L. 2023. LASER HARDENING PROCESS ON Ck 45 DEPENDING ON THE LASER PARAMETERS - a small review. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference. 26 (Jan. 2023), 77–81. DOI:https://doi.org/10.17770/het2022.26.6960.