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) TIKHONOV A. N.,On determining electric characteristics of the deep layers of the Earth's crust,Dokl.Akad.Nauk.SSSR,,,1950,73,,295-297,https://cir.nii.ac.jp/crid/1571980074175621888,