@article{Sudoh:20097K,
  author = "Sudoh, Keisuke",
  title = "{Spectral characteristics during dip in Cyg X-1}",
  doi = "10.22323/1.062.0104",
  journal = "PoS",
  year = 2009,
  volume = "MQW7",
  pages = "104"
}