Chapnik, Brian, and Alex Lorimer. “Source-Receptor Path Prioritization Considerations for the Specification of Silencers in Ventilation Systems”. Canadian Acoustics 37, no. 3 (September 1, 2009): 158–159. Accessed March 29, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2182.