@misc{oai:nipr.repo.nii.ac.jp:00016281,
 author = {Fujita, Shigeru},
 month = {Dec},
 note = {The 11th Symposium on Polar Science/Ordinary sessions: [OS] Space and upper-atmosphere sciences, Wed. 2 Dec.},
 title = {Two current systems in the preliminary phase of the Sudden Commencement},
 year = {2020}
}