Kien, Nguyen Dinh, and Le Thi Ha. “Dynamic Characteristics of Elastically Supported Beam Subjected to a Compressive Axial Force and a Moving Load”. Vietnam Journal of Mechanics 33, no. 2 (June 10, 2011): 113–131. Accessed February 22, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/43.