Kopania, J. M., Wójciak, K., Gaj, P., & Boguławski, G. (2026). The Influence of the Surface of Ventilation Duct on Sound Attenuation in the Airflow. Archives of Acoustics, 51(2), 317–331. Retrieved from https://wydawnictwo.pan.pl/index.php/aa/article/view/1828