@article{weko_27340_1, author = "久保田,あや and 牧島,一夫 and Done,Chris", title = "Understanding of X-Ray Spectra of Black Hole Binaries and Its Application to ULXs", journal = "Progress of Theoretical Physics. Supplement", year = "2004", volume = "155", number = "Supplement 1", pages = "19--26", month = "may" }