CIESZKO, M. Acoustical properties of porous layer – undeformable halfspace system at normal incidence of harmonic wave. Archives of Acoustics, [S. l.], v. 17, n. 2, p. 261–276, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1187. Acesso em: 26 apr. 2025.