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) Houyou Long and Ying Cheng and Xiaojun Liu,Asymmetric absorber with multiband and broadband for low-frequency sound,Applied Physics Letters,0003-6951,AIP Publishing,2017-10-02,111,14,,https://cir.nii.ac.jp/crid/1362825894948808576,https://doi.org/10.1063/1.4998516