Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sato Yoshihiko,II. Progress in Rolling Stock,IEEJ Transactions on Industry Applications,09136339,The Institute of Electrical Engineers of Japan,1997,117,10,1185-1186,https://cir.nii.ac.jp/crid/1390001204658691584,https://doi.org/10.1541/ieejias.117.1185