@article{oai:jaxa.repo.nii.ac.jp:00027331,
 author = {山中, 信弘 and 木野, 康志 and 高野, 靖史 and 工藤, 博司 and 市村, 淳 and Yamanaka, Nobuhiro and Kino, Yasushi and Takano, Yasushi and Kudo, Hiroshi and Ichimura, Atsushi},
 journal = {Materials Science Forum},
 month = {},
 note = {資料番号: SA1004035000},
 pages = {449--451},
 title = {Direct Positron Annihilation and Positronium Formation},
 volume = {445-446},
 year = {2004}
}