@misc{oai:nipr.repo.nii.ac.jp:00015823,
 month = {Dec},
 note = {The Tenth Symposium on Polar Science/Special session: [IW] Whole atmosphere, Wed. 4 Dec. / Entrance Hall (1st floor), National Institute of Polar Research},
 title = {Preliminary results of Ca+ observation at Syowa Station and Japan by a frequency-tunable resonance scattering lidar},
 year = {2019}
}