GORAZD Łukasz, JURKIEWICZ J, SNAKOWSKA A. Experimental Verification of the Theoretical Model of Sound Radiation from an Unflanged Duct with Low Mean Flow. Arch. Acoust. 2013;37(2):227–236. Accessed June 21, 2025. https://acoustics.ippt.pan.pl/index.php/aa/article/view/117