@misc{oai:nipr.repo.nii.ac.jp:00015816, 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 = {Study of atmospheric stability in the polar lower thermosphere and upper mesosphere by using simultaneous 5-directional observations at Tromsø}, year = {2019} }