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)
KOPIEV V. F.,Vortex ring eigen-oscillations as a source of sound,J. Fluid Mech.,,,1997,341,,19-57,https://cir.nii.ac.jp/crid/1572824500664430592,