ALBA J, del REY R, RAMIS J, ARENAS JP. An Inverse Method to Obtain Porosity, Fibre Diameter and Density of Fibrous Sound Absorbing Materials. Arch. Acoust. 2013;36(3):561–574. Accessed June 22, 2025. https://acoustics.ippt.pan.pl/index.php/aa/article/view/165