LAZOV, Lyubomir; DENEVA, Hristina; TEIRUMNIEKA, Erika. INFLUENCE OF DEFOCUS POSITION ON LASER CUTTING PROCESS IN SHEET STEEL. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 159–162, 2017. DOI: 10.17770/etr2017vol3.2658. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/2658.. Acesso em: 4 may. 2024.