JORDAN, P.M. Acoustic propagation in inhomogeneous fluids: regularization via the introduction of fine particles. Archives of Mechanics, Warsaw, Poland, v. 72, n. 1, p. 59–73, 2020. DOI: 10.24423/aom.3370. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v72p59. Acesso em: 19 nov. 2025.