Kien, Nguyen Dinh. “Dynamic Response of Prestressed Timoshenko Beams Resting on Two-Parameter Foundation to Moving Harmonic Load”. Technische Mechanik - European Journal of Engineering Mechanics, vol. 28, no. 3-4, Aug. 2019, pp. 237-58, https://journals.ub.ovgu.de/index.php/techmech/article/view/846.