@article{oai:nipr.repo.nii.ac.jp:00004257, author = {YAMAGISHI, Hisao and EJIRI, Masaki and SATO, Natsuo and FUJII, Ryoichi and SHIBASAKI, Kazuo}, journal = {Proceedings of the NIPR Symposium on Upper Atmosphere Physics}, month = {Dec}, note = {P(論文)}, title = {Foreword}, volume = {12}, year = {1998} }