Poorjamshidian, M, J Sheikhi, S Mahjoub-Moghadas, and M Nakhaie. “Nonlinear Vibration Analysis of the Beam Carrying a Moving Mass Using Modified Homotopy”. Journal of Solid Mechanics 6, no. 5 (December 30, 2014): 389–396. Accessed May 5, 2026. https://oiccpress.com/jsm/article/view/12476.