Szemplińska-Stupnicka, Wanda, et al. “Criteria for Chaotic Transient Oscillations in a Model of Driven Buckled Beams”. Computer Assisted Methods in Engineering and Science, vol. 6, no. 1, May 2023, pp. 63-82, https://cames3.ippt.pan.pl/index.php/cames/article/view/1326.