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) S.M. Radicella and R. Leitinger,The evolution of the DGR approach to model electron density profiles,Advances in Space Research,0273-1177,Elsevier BV,2001-01,27,1,35-40,https://cir.nii.ac.jp/crid/1361699994738592640,https://doi.org/10.1016/s0273-1177(00)00138-1