OPTICAL PROPERTIES OF LASER-COLOURING MARKED STAINLESS STEEL. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 3, p. 242–244, 2021. DOI: 10.17770/etr2021vol3.6516. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4532.. Acesso em: 11 mar. 2026.