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) A. G. Duba and T. J. Shankland,Free carbon & electrical conductivity in the Earth's mantle,Geophysical Research Letters,0094-8276,American Geophysical Union (AGU),1982-11,9,11,1271-1274,https://cir.nii.ac.jp/crid/1362544419338143232,https://doi.org/10.1029/gl009i011p01271