@phdthesis{oai:nagoya.repo.nii.ac.jp:00029698, author = {XU, Heqiucen and 徐, 何秋岑}, month = {Mar}, school = {名古屋大学, Nagoya University}, title = {Study of substorm onset processes in the magnetosphere and the ionosphere using satellite and ground-based observations}, year = {2020} }