“Large Amplitude Dynamics of Beam Subjected to a Compressive Axial Force Resting on Non -Linear Elastic Foundation”. University of Thi-Qar Journal for Engineering Sciences 5, no. 1 (June 1, 2014): 101–114. Accessed April 28, 2025. https://www.jeng.utq.edu.iq/index.php/main/article/view/617.