Jasion, Paweł, et al. “Bending Behaviour of Thin-Walled Perforated Channel Beams With Modified Cross Sectional Shape – Part 2: Analytical Calculations and FEM”. Bulletin of the Polish Academy of Sciences Technical Sciences, vol. 73, no. 4, Aug. 2025, p. e153435, doi:10.24425/bpasts.2025.153435.