Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hayakawa Naoki,Superconducting Electric Power Apparatus and Systems toward their High Performance and Multifunction,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,2015,135,4,209-212,https://cir.nii.ac.jp/crid/1390001204602820224,https://doi.org/10.1541/ieejpes.135.209