Tsvyatkov, P., Yankov, E., Lazov, L., Teirumnieks, E., & Pīgožnis, K. (2024). 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, 3, 370-374. https://doi.org/10.17770/etr2023vol3.7319