@article{oai:tsukuba.repo.nii.ac.jp:00052572,
 journal = {年次研究報告, Annual report of division of physics, the University of Tsukuba},
 month = {Oct},
 pages = {70--95},
 title = {<研究活動>Ⅲ. 宇宙物理理論グループ},
 volume = {2018},
 year = {2019}
}