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) ,Valence and Na content dependences of superconductivity in NaxCo0_2・yH_2O,Phys. Rev. B 74,,,2006,,,92502,https://cir.nii.ac.jp/crid/1010282256850793603,