@misc{indiciae626f4e23e33b,
  title = {Imaging X-ray spectrophotometers},
  author = {Hailey, C. J. and Hamilton, T. T. and Ku, W. H.-M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810057621},
  note = {Source identifier: 19810057621}
}