Niewiadomski, Lesław, Szymon Swierczyna, and Walter Wuwer. “Capacity Assessment and Modification of High Noise Barriers”. Roads and Bridges – Drogi i Mosty 13, no. 2 (April 1, 2014): 145–155. Accessed April 4, 2025. https://rabdim.pl/index.php/rb/article/view/v13n2p145.