@article{oai:nipr.repo.nii.ac.jp:00004244,
 author = {Okada, Kohta and Saka, Osuke and Watanabe, Osamu},
 journal = {Proceedings of the NIPR Symposium on Upper Atmosphere Physics},
 month = {Jan},
 note = {P(論文)},
 pages = {131--133},
 title = {Correlation between Pi 2 at nightside geosynchronous orbit and auroral modulation (extended abstract)},
 volume = {11},
 year = {1998}
}