Korentz, Jacek. “Methods of Analysis of a Reinforced Concrete Section under Bending With Axial Force in the Post-Yield Range”. Budownictwo i Architektura / Civil and Architectural Engineering 13, no. 3 (September 11, 2014): 119–126. Accessed March 10, 2026. https://ph.pollub.pl/index.php/bia/article/view/1787.