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) Takashi Maruyama and Takuya Tsugawa and Hisao Kato and Mamoru Ishii and Michi Nishioka,Rayleigh wave signature in ionograms induced by strong earthquakes,Journal of Geophysical Research: Space Physics,0148-0227,American Geophysical Union (AGU),2012-08,117,A8,A08306,https://cir.nii.ac.jp/crid/1363670318620009984,https://doi.org/10.1029/2012ja017952