E. SKRODZKA and A. SĘK, “Experimental modal analysis of the loudspeaker system”, Arch. Acoust., vol. 22, no. 2, pp. 115–128, Jan. 2014, Accessed: Apr. 28, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/943