GRABOWSKA, Anna. Acoustical wave propagation in a cylindrical layer system in viscous medium. Archives of Acoustics, [S. l.], v. 11, n. 4, p. 339–352, 2015. Disponível em: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3129. Acesso em: 17 jan. 2026.