De Gersem H, Moens D, Desmet W, Vandepitte D. Interval and fuzzy eigenfrequency analysis of uncertain substructured FE models. Comp. Assist. Methods Eng. Sci. 2022;14(2):167-181. Accessed June 30, 2025. https://cames.ippt.pan.pl/index.php/cames/article/view/824