PANUSZKA, R., and M. IWANIEC. “Current Trends of the Works on Acoustics Presented at the XLVI Open Seminar on Acoustics OSA’99”. Archives of Acoustics 25, no. 1 (January 1, 2000): 111–123. Accessed January 17, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/358.