Rāviņš, Dzintars, Emil Yankov, Imants Adijāns, Lyubomir Lazov, and Daivis Rāviņš. 2024. “INVESTIGATING THE IMPACT OF LASER POWER AND SCAN SPEED ON ENGRAVING ASPEN THERMOWOOD”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (January): 351-57. https://doi.org/10.17770/etr2023vol3.7250.