Hamdi, M.A., L. Mebarek, A. Omrani, and N. Atalla. 2000. “Integration of Acoustic Absorbing Porous Components in Vehicle Environment Using a Novel Finite Element Solver”. Canadian Acoustics 28 (3):24-28. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1275.