KOZŁOWSKI, Emil; MŁYŃSKI, Rafał. Measurement of Earmuffs Attenuation at High Audible Frequencies. Archives of Acoustics, [S. l.], v. 42, n. 2, p. 249–254, 2017. DOI: 10.1515/aoa-2017-0027. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1738. Acesso em: 13 may. 2025.