TSVYATKOV, Petar; YANKOV, Emil; LAZOV, Lyubomir; TEIRUMNIEKS, Edmunds; PĪGOŽNIS, Karlis. INVESTIGATION OF THE INFLUENCE OF TECHNOLOGICAL PARAMETERS OF LASER MARKING ON THE DEGREE OF CONTRAST. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 370–374, 2024. DOI: 10.17770/etr2023vol3.7319. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/7319.. Acesso em: 18 may. 2024.