@misc{indiciaed0a69d536e8e,
  title = {X-ray Variability Constraints on Compton Cloud Models of Cygnus X-1},
  author = {Vaughan, Brian},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990025897},
  note = {Source identifier: 19990025897}
}