Kunecki, Bartłomiej, and Leszek Korusiewicz. “Field Tests of Large-Span Metal Arch Culvert During Backfilling”. Roads and Bridges – Drogi i Mosty 12, no. 3 (February 1, 2013): 283–295. Accessed May 1, 2025. https://www.rabdim.pl/index.php/rb/article/view/v12n3p283.