@misc{oai:tsukuba.repo.nii.ac.jp:00010766,
 author = {Ueno, Kenichi and 上野, 健一},
 month = {},
 note = {1990, 【要旨】},
 title = {Climatological analysis on extratropical cyclones in the middle latitudes of the Northern Hemisphere},
 year = {1991}
}