著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Okada,An exploration technique using long-period microtremors for determination of deep geological structures under urbanized areas,Butsuri-Tansa,,,1990,43,6,402,https://cir.nii.ac.jp/crid/1372820655444991116,