DUBE, A. K.; GOPALAKRISHNAN, . S. Spectral analysis of the defective structural waveguides using the semi-analytical finite element method. Journal of Structural Engineering, [S. l.], v. 50, n. 1, p. 50–61, 2024. Disponível em: http://14.139.176.44/index.php/JOSE/article/view/155. Acesso em: 22 dec. 2024.