@article{oai:jaxa.repo.nii.ac.jp:00026716,
 author = {秋山, 正幸 and 上田, 佳宏 and 太田, 耕司 and 高橋, 忠幸 and 山田, 亨 and Akiyama, Masayuki and Ueda, Yoshihiro and Ohta, Kouji and Takahashi, Tadayuki and Yamada, Toru},
 issue = {2},
 journal = {The Astrophysical Journal Supplement Series},
 month = {Oct},
 note = {Accepted: 2003-04-21, 資料番号: SA1003418000},
 pages = {275--315},
 title = {Optical Identification of the ASCA Medium Sensitivity Survey in the Northern Sky: Nature of Hard X-Ray-Selected Luminous Active Galactic Nuclei},
 volume = {148},
 year = {2003}
}