@misc{oai:nipr.repo.nii.ac.jp:00010597,
 author = {石田, 哲朗 and 小川, 泰信 and 門倉, 昭 and 平木, 康隆 and Häggström, Ingemar and Ishida, Tetsuro and Ogawa, Yasunobu and Kadokura, Akira and Hiraki , Yasutaka and Häggström, Ingemar},
 month = {Dec},
 title = {地磁気静穏時における電離圏トラフの季節変化と太陽活動度依存性},
 year = {2014}
}