Bęben, Damian. “Experimental Tests of Railway Culvert Made from Corrugated Plates under Service Loads Using Interferometric Radar”. Roads and Bridges - Drogi i Mosty 10, no. 1-2 (April 1, 2011): 5–20. Accessed July 22, 2024. https://rabdim.pl/index.php/rb/article/view/v10n1-2p5.