@article{oai:jaxa.repo.nii.ac.jp:00027861,
 author = {浅田, 圭一 and 中村, 雅徳 and 土居, 明広 and 永井, 洋 and 井上, 允 and Asada, Keiichi and Nakamura, Masanori and Doi, Akihiro and Nagai, Hiroshi and Inoue, Makoto},
 issue = {1},
 journal = {The Astrophysical Journal Letters},
 month = {Jan},
 note = {Accepted: 2013-11-10, 資料番号: SA1004568000},
 title = {Discovery of Sub- to Superluminal Motions in the M87 Jet: An Implication of Acceleration from Sub-Relativistic to Relativistic Speeds},
 volume = {781},
 year = {2014}
}