WU, Wenjun, and Junhua WANG. “Effect of Pipe Bends on the Low-Frequency Torsional Guided Wave Propagation”. Archives of Acoustics 45, no. 3 (July 9, 2020): 385–391. Accessed January 17, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/2740.