CHIU, Min-Chie, and Ying-Chun CHANG. “An Assessment of High-Order-Mode Analysis and Shape Optimization of Expansion Chamber Mufflers”. Archives of Acoustics 39, no. 4 (December 31, 2014): 489–499. Accessed March 30, 2026. https://acoustics.ippt.pan.pl/index.php/aa/article/view/333.