Ouis, Djamel, and Abdelghani Gramez. “Monitoring of a Low-Order Even Radial Vibrational Circumferential Mode in a Round Hollow Cylinder”. Engineering, Technology & Applied Science Research 14, no. 6 (December 2, 2024): 17824–17829. Accessed January 21, 2025. https://etasr.com/index.php/ETASR/article/view/8515.