[1]
B. MERIT and G. LEMARQUAND, “Ironless Lowfrequency Loudspeaker Working Under its Resonance Frequency”, Arch. Acoust., vol. 33, no. 4(S), pp. 59–64, Jan. 2008, Accessed: Mar. 04, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/836