MADARAS, G. S.; HEUER, A. E. Optimizing Ceiling Systems and Lightweight Plenum Barriers to Achieve Ceiling Attenuation Class (CAC) Ratings of 40, 45 and 50. Canadian Acoustics, [S. l.], v. 44, n. 3, 2016. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2914. Acesso em: 23 nov. 2024.