GOŁĘBIEWSKI, R.; MAKAREWICZ, R. Railroad noise affected by downward refraction and turbulence. Archives of Acoustics, [S. l.], v. 27, n. 2, 2002. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/418. Acesso em: 26 apr. 2025.