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) Takuya Tsugawa and Nobuki Kotake and Yuichi Otsuka and Akinori Saito,Medium-scale traveling ionospheric disturbances observed by GPS receiver network in Japan: a short review,GPS Solutions,1080-5370,Springer Science and Business Media LLC,2006-11-07,11,2,139-144,https://cir.nii.ac.jp/crid/1361699994601576576,https://doi.org/10.1007/s10291-006-0045-5