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) M. Ozaki and S. Yagitani and I. Nagano and K. Miyamura,Ionospheric penetration characteristics of ELF waves radiated from a current source in the lithosphere related to seismic activity,Radio Science,0048-6604,American Geophysical Union (AGU),2009-02,44,1,,https://cir.nii.ac.jp/crid/1362825893600421504,https://doi.org/10.1029/2008rs003927