@article{oai:tsukuba.repo.nii.ac.jp:00045233,
 journal = {年次研究報告, Annual report of division of physics, the University of Tsukuba},
 month = {Sep},
 pages = {100--111},
 title = {<研究活動>Ⅳ. 宇宙観測グループ},
 volume = {2015},
 year = {2016}
}