著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Shoji Yamada and Sadao Akishita and Seiji Nakashima,Grazing Flow Effect on Surface Impedance with Circular Perforations of Small Diameters,14th AIAA/CEAS Aeroacoustics Conference (29th AIAA Aeroacoustics Conference),,American Institute of Aeronautics and Astronautics (AIAA),2008-05-05,,,,https://cir.nii.ac.jp/crid/1871991017855644672,https://doi.org/10.2514/6.2008-2806