VOIX, J.; LAVILLE, F. New method and device for customizing in situ a hearing protector. Canadian Acoustics, [S. l.], v. 32, n. 3, p. 86–87, 2004. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1640. Acesso em: 19 jan. 2022.