RAMAKRISHNAN, R.; STEVENS, R.; HOWE, B. Comparison of computational methods for rectangular silencer insertion loss prediction. Canadian Acoustics, [S. l.], v. 19, n. 4, p. 5–6, 1991. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/642. Acesso em: 26 nov. 2022.