KELSALL, T. Activities in the Canadian Standards Association Industrial Noise Subcommittee. Canadian Acoustics, [S. l.], v. 25, n. 3, p. 29–29, 1997. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1095. Acesso em: 20 apr. 2024.