@misc{indiciae97f024bf5f35,
  title = {CIAO: Chandra Interactive Analysis of Observations},
  author = {Fruscione, Antonella and Siemiginowska, Aneta and Noble, Michael},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990105710},
  note = {Source identifier: 19990105710}
}