@misc{oai:nipr.repo.nii.ac.jp:00015372,
 author = {Ishijima, Riku and Nagahama, Tomoo and Mizuno, Akira},
 month = {Dec},
 note = {The Ninth Symposium on Polar Science/Ordinary sessions: [OM] Polar meteorology and glaciology, Wed. 5 Dec. / Entrance Hall (1st floor), National Institute of Polar Research},
 title = {A statistical analysis of ozone depletion in the polar mesosphere caused by solar proton precipitation},
 year = {2018}
}