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) ZHAO Y.,Enhancement of critical current density in MgB_2 bulk superconductor by Ti doping,Europhys. Lett.,,,2002,57,,437-443,https://cir.nii.ac.jp/crid/1570291225798422912,