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. 2012;37(2):227–236. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/117