@article{oai:tsukuba.repo.nii.ac.jp:00048001, journal = {年次研究報告, Annual report of division of physics, the University of Tsukuba}, month = {Sep}, pages = {249--284}, title = {<研究活動>Ⅹ. プラズマ研究グループ}, volume = {2017}, year = {2018} }