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) Andrei V. Mikhailov,Trends in the ionospheric E-region,"Physics and Chemistry of the Earth, Parts A/B/C",1474-7065,Elsevier BV,2006-01,31,1-3,22-33,https://cir.nii.ac.jp/crid/1361137046390191744,https://doi.org/10.1016/j.pce.2005.02.005