@misc{indiciae15f6baab5d61,
  title = {AXAF Coordinate Transformation at XRCF},
  author = {He, Helen and McDowell, Jonathan and Conroy, Maureen},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/19990107377},
  note = {Source identifier: 19990107377}
}