Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MATSUMOTO Gensei and FUJIWARA Kyoji,Control for low frequency noise by the shielding barrier utilizing Helmholtz resonators (Part 2),日本音響学会研究発表会講演論文集,13403168,,2004-03-17,2004,1,753-754,https://cir.nii.ac.jp/crid/1570291225544157056,