O’KEEFE, J. HVAC Displacement System Noise Control – A New Method to Quantify Noise Control Performance. Canadian Acoustics, [S. l.], v. 45, n. 3, p. 70–71, 2017. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3149. Acesso em: 26 oct. 2021.