Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ueda Hiroshi and Morisaki Tohru and Ishiyama Atsushi,Trapped Field Characteristic of YBCO Bulk in AC External Magnetic Field,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,2004,124,11,1357-1364,https://cir.nii.ac.jp/crid/1390001204602212736,https://doi.org/10.1541/ieejpes.124.1357