@misc{oai:nipr.repo.nii.ac.jp:00014181,
 author = {Nishioka, Michi and Kato, Hisao and Yamamoto, Masayuki and Kawamura, Seiji and Tsugawa, Takuya and Ishii, Mamoru},
 month = {May},
 note = {18th EISCAT symposium
Session E3: Ionoshere/thermosphere/mesosphere
May 27 (Sat), Poster Session},
 title = {Preliminary results of the ionospheric observation by new ionosondes, VIPIR2, in Japan},
 year = {2017}
}