Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAWA K.,Electromaglev system of a YBCO bulk superconductor,"Proc. of 4th International Symposium on Magnet Suspension Technology, 1997",,,1997,,,,https://cir.nii.ac.jp/crid/1570291225565919232,