@article{oai:nipr.repo.nii.ac.jp:00004273,
 author = {Watanabe, Masakazu and Pinnock, Michael and Rodger, Alan S. and Sato, Natsuo and Yamagishi, Hisao and Yukimatu, A.Sessai and Greenwald, Raymond A. and Villain, Jean-Paul and Hairston, Marc R.},
 journal = {Proceedings of the NIPR Symposium on Upper Atmosphere Physics},
 month = {Dec},
 note = {P(論文)},
 pages = {148--155},
 title = {Fast equatorward separatrix motion in the nightside ionosphere just prior to substorm onsets (extended abstract)},
 volume = {12},
 year = {1998}
}