WEYNA, Stefan, and Witold MICKIEWICZ. “Multi-Modal Acoustic Flow Decomposition Examined in a Hard Walled Cylindrical Duct”. Archives of Acoustics 39, no. 2 (June 30, 2014): 289–296. Accessed March 4, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/878.