@article{weko_46247_1, author = "疋田,伶奈 and 吉岡,和夫 and 土屋,史紀 and 鍵谷,将人 and 木村,智樹 and Bagenal,Fran and Schneider,N. and 村上,豪 and 山﨑,敦 and 北,元 and Nerney,E. and 吉川,一朗", title = "Spatially Asymmetric Increase in Hot Electron Fraction in the Io Plasma Torus During Volcanically Active Period Revealedby Observations by Hisaki/EXCEEDFrom November 2014 to May 2015", journal = "Journal of Geophysical Research: Space Physics", year = "2020", volume = "125", number = "3", month = "mar" }