TOPPILA, E.; STARCK, J. The attenuation of hearing protectors against high-level shooting impulses. Archives of Acoustics, [S. l.], v. 29, n. 2, 2004. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/483. Acesso em: 26 apr. 2025.