Arafa, Nadim, Ahmed Tariq, Atef Mohany, and Marwan Hassan. “Effect of Cylinder Location Inside a Rectangular Duct on the Excitation Mechanism of Acoustic Resonance”. Canadian Acoustics 42, no. 1 (March 1, 2014): 33–40. Accessed July 27, 2021. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2609.