Study on Natural Modes of Vibration For Clamped-Free Annular Plates. Romanian Journal of Acoustics and Vibration, [S. l.], v. 23, n. 1, p. 55–66, 2026. Disponível em: https://rjav.sra.ro/index.php/rjav/article/view/587.. Acesso em: 18 oct. 2026.