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) Ayako Tokiwa and Yasuhiko Syono and M. Nagoshi,"Proper composition for superconductivity in Pb(Ba, Sr)2(Y, Ca)Cu3O7",Physica C: Superconductivity,0921-4534,Elsevier BV,1990-10-01,170,,437-442,https://cir.nii.ac.jp/crid/1872835442432950656,https://doi.org/10.1016/0921-4534(90)90013-5