@misc{oai:nipr.repo.nii.ac.jp:00010469,
 author = {Matsuda, Takashi S. and Nakamura, Takuji and Ejiri, Mutsumi K. and Tsutsumi, Masaki and Shiokawa, Kazuo},
 month = {Dec},
 title = {Comparison with horizontal characteristics of gravity waves observed by airglow imaging of different sampling periods},
 year = {2014}
}