ERATLI, N. Free Vibration Analysis of Circular, Annular, and Annular Sectoral Plates. ITU ARI Bulletin of Istanbul Technical University, [S. l.], v. 53, n. 01, p. 29–43, 2003. Disponível em: https://ari.itu.edu.tr/index.php/ituari/article/view/18. Acesso em: 18 may. 2024.