BEHAR, A.; KELSALL, T. The New CSA Z94.2 Standard. Canadian Acoustics, [S. l.], v. 44, n. 1, p. 7–8, 2016. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2726. Acesso em: 8 dec. 2021.