Helnwein, Peter, Herbert A. Mang, and Bernhard Pichler. “Ab Initio Estimates of Stability Limits on Nonlinear Load-Displacement Paths: Potential and Limitations”. Computer Assisted Methods in Engineering and Science 6, no. 3-4 (April 18, 2023): 345–360. Accessed January 12, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/1282.