Tovstik, P. E. “On the Localized Vibration Modes of Thin Elastic Shells”. Technische Mechanik - European Journal of Engineering Mechanics 24, no. 3-4 (August 7, 2019): 297–310. Accessed November 22, 2024. https://journals.ub.ovgu.de/index.php/techmech/article/view/935.