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) ,Two-Dimensional Analyses of Subharmonic Generation at Closed Cracks in Nonlinear Ultrasound,Applied Physics Express,,,2011,Vol.4,,,https://cir.nii.ac.jp/crid/1010282257068128007,