Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshida Yukinobu and Tsurukubo Hiromi,Sound Absorption Materials with a Waste Expanded Poli-Styrol.,The Journal of the INCE of Japan,03868761,The Institutew of Noise Control Engineering of Japan,2000,24,1,42-44,https://cir.nii.ac.jp/crid/1390282679743694336,https://doi.org/10.11372/souonseigyo1977.24.42