@article{oai:nipr.repo.nii.ac.jp:00004096,
 author = {YAMAGISHI, Hisao and HIRASAWA, Takeo and EJIRI, Masaki and OGAWA, Tadahito and SATO, Natsuo},
 journal = {Proceedings of the NIPR Symposium on Upper Atmosphere Physics},
 month = {Jun},
 note = {P(論文)},
 title = {Foreword},
 volume = {4},
 year = {1991}
}