MAKAREWICZ, Rufin; KOKOWSKI, Piotr. Efficiency of noise reduction by a road speed bump. Archives of Acoustics, [S. l.], v. 32, n. 3, p. 631–642, 2007. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/715. Acesso em: 18 apr. 2026.