@misc{oai:nipr.repo.nii.ac.jp:00015809,
 month = {Dec},
 note = {The Tenth Symposium on Polar Science/Special session: [IW] Whole atmosphere, Wed. 4 Dec. / 3F Seminor Room D305, National Institute of Polar Research},
 title = {Statistical study on daytime sporadic sodium layers (SSLs) at Beijing, China (40.6°N, 116.2°E)},
 year = {2019}
}