Korusiewicz, Leszek. “Testing of a Large-Span Soil-Shell Structure Without Stiffeners During Backfilling Process”. Roads and Bridges – Drogi i Mosty 14, no. 3 (October 16, 2015): 203–218. Accessed May 1, 2025. https://www.rabdim.pl/index.php/rb/article/view/v14n3p203.