@article{oai:tsukuba.repo.nii.ac.jp:00016752,
 journal = {年次研究報告, Annual report of Institute of Physics, the University of Tsukuba},
 month = {},
 pages = {38--53},
 title = {<研究活動>III. 宇宙物理理論グループ},
 volume = {2007},
 year = {2007}
}