@misc{oai:nipr.repo.nii.ac.jp:00016113,
 author = {Koyama, Hirotaka and Nozawa, Satonori and Ogawa, Yasunobu and Brekke, Asgeir},
 month = {Dec},
 note = {The 11th Symposium on Polar Science/Interdisciplinary sessions: [IW] Whole atmosphere, Thu. 3 Dec.},
 title = {Statistical study of solar activiy and seasonal dependence of semidiurnal tide in the polar lower Thermosphere on quiet days using EISCAT radar data},
 year = {2020}
}