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) K. N. Yakymenko and A. V. Koustov and N. Nishitani,Statistical study of midlatitude E region echoes observed by the Hokkaido SuperDARN HF radar,Journal of Geophysical Research: Space Physics,2169-9380,American Geophysical Union (AGU),2015-11,120,11,9959-9976,https://cir.nii.ac.jp/crid/1363670320994526848,https://doi.org/10.1002/2015ja021685