@misc{indiciae625c31126f95,
  title = {Advanced X-ray Astrophysics Facility (AXAF): Calibration Overview},
  author = {ODell, S. L. and Weisskopf, M. C.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19990039541},
  note = {Source identifier: 19990039541}
}