“On Parametrically Excited Flexural Motion of an Extensible and Shearable Rod with a Heavy Attachment” (2019) Technische Mechanik - European Journal of Engineering Mechanics, 20(2), pp. 147–157. Available at: https://journals.ub.ovgu.de/ojs/techmech/article/view/1077 (Accessed: 27 October 2026).