REMY, Mathias, Guy LEMARQUAND, and Gael GUYADER. “An Ironless Large Displacement Flat Piston Loudspeaker”. Archives of Acoustics 34, no. 4 (December 31, 2009): 591–599. Accessed March 4, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/598.