ABEL, S. M.; POWLESLAND, C. Laboratory performance of the single-sided E-A-R&reg combat arms hearing protective earplug. Canadian Acoustics, [S. l.], v. 38, n. 2, p. 11–18, 2010. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2218. Acesso em: 20 apr. 2024.