LITAVNIEKA, Anželika; ADIJĀNS, Imants. LASER SURFACE MARKING ON ENGINEERING THERMOPLASTIC: POLYAMIDE. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 419–424, 2024. DOI: 10.17770/etr2024vol3.8169. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/8169.. Acesso em: 23 nov. 2024.