Ule, Helen, Colin Novak, Tony Spadafora, Ramani Ramakrishnan, and Robert Gaspar. “Comparison of Experimentaland Modeled Insertion Loss of a Complex Multi-Chamber Muffler With Temperature and Flow Effects”. Canadian Acoustics 32, no. 3 (September 1, 2004): 102–103. Accessed October 19, 2021. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1648.