Mytych-Kumańska, Eliza, and Paweł Kossakowski. “Fracture Toughness of Old Bridge Steel”. Budownictwo i Architektura / Civil and Architectural Engineering 12, no. 1 (March 11, 2013): 251–258. Accessed December 15, 2025. https://ph.pollub.pl/index.php/bia/article/view/2206.