CUI, J.; BEHAR, A.; KUNOV, H.; WONG, W. Testing of ANR earmuffs. Canadian Acoustics, [S. l.], v. 30, n. 3, p. 124–125, 2002. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1486. Acesso em: 30 apr. 2026.