WERNEROWSKI, Krzysztof. Analysis of sound absorption by a three-layer resonant and absorbing structure. Archives of Acoustics, [S. l.], v. 13, n. 3-4, p. 325–331, 1988. Disponível em: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3078. Acesso em: 4 mar. 2026.