@article{oai:jaxa.repo.nii.ac.jp:00026557, author = {後藤, 友嗣 and 内海, 洋輔 and 服部, 尭 and 宮崎, 聡 and 山内, 千里 and Goto, Tomotsugu and Utsumi, Yousuke and Hattori, Takashi and Miyazaki, Satoshi and Yamauchi, Chisato}, issue = {1}, journal = {Monthly Notices of the Royal Astronomical Society Letters}, month = {Jul}, note = {Accepted: 2011-04-08, 資料番号: SA1003259000}, pages = {L1--L5}, title = {A Gunn-Peterson test with a QSO at z=6.4}, volume = {415}, year = {2011} }