Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Ebihara, Y and Tanaka, T",Why does substorm-associated auroral surge travel westward?,Plasma Physics and Controlled Fusion,0741-3335,IOP Publishing,2018-01,60,1,014024,https://cir.nii.ac.jp/crid/1050845763140636800,https://doi.org/10.1088/1361-6587/aa89fd