@article{oai:nipr.repo.nii.ac.jp:00004181, author = {MIYAOKA, Hiroshi and EJIRI, Masaki and SATO, Natsuo and MAKITA, Kazuo and FUJII, Ryoichi}, journal = {Proceedings of the NIPR Symposium on Upper Atmosphere Physics}, month = {Feb}, note = {P(論文)}, title = {Foreword}, volume = {9}, year = {1996} }