@phdthesis{oai:nagoya.repo.nii.ac.jp:00005077, author = {Nishitani, Nozomu and 西谷, 望}, month = {Mar}, note = {名古屋大学博士学位論文 学位の種類:理学博士 (論文) 学位授与年月日:平成4年3月9日}, school = {名古屋大学, Nagoya University}, title = {Magnetic field line connection between the ionosphere and the magnetosphere -Auroral activity and relevant magnetic field variations at geosynchronous orbit-}, year = {1992} }