BIBBY, C.; HODGSON, M. THEORETICAL ANALYSIS OF LINED -DUCT SOUND ATTENUATION. Canadian Acoustics, [S. l.], v. 41, n. 3, p. 15–22, 2014. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2625. Acesso em: 3 dec. 2021.