Gusts, Artis Stanislavs, and Imants Adijāns. “OPTIMIZATION OF PARAMETERS FOR LASER MARKING AND ENGRAVING ON PLYWOOD AND PINE WOOD MATERIALS”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 25 (April 23, 2021): 145–150. Accessed May 5, 2024. https://journals.rta.lv/index.php/HET/article/view/6795.