@article{oai:nipr.repo.nii.ac.jp:00016510,
 author = {Kataoka, Ryuho and Nakano, Shin'ya},
 journal = {JOURNAL OF SPACE WEATHER AND SPACE CLIMATE, JOURNAL OF SPACE WEATHER AND SPACE CLIMATE},
 month = {Aug},
 title = {Auroral zone over the last 3000 years},
 volume = {11},
 year = {2021}
}