@article{oai:jaxa.repo.nii.ac.jp:00025213, author = {堂谷, 忠靖 and 長瀬, 文昭 and Choi, C. S. and Dotani, Tadayasu and Day, C. S. R. and Nagase, Fumiaki}, issue = {1}, journal = {The Astrophysical Journal}, month = {Nov}, note = {Accepted: 1996-05-13, 資料番号: SA1001915000}, pages = {447--453}, title = {Pulse Phase-Dependent Spectroscopic Study of Vela X-1}, volume = {471}, year = {1996} }