W. J. RDZANEK and W. P. J. RDZANEK, “The acoustic reactance of radiation of a planar annular membrane for axially-symmetric free vibrations”, Arch. Acoust., vol. 24, no. 2, pp. 207–212, Jun. 2014, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1075