Ule, Helen, Colin Novak, Tony Spadafora, Ramani Ramakrishnan, and Robert Gaspar. 2004. “Comparison of Experimentaland Modeled Insertion Loss of a Complex Multi-Chamber Muffler With Temperature and Flow Effects”. Canadian Acoustics 32 (3):102-3. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1648.