@misc{indiciae44b5d6faf2a7,
  title = {Imaging X-ray spectrometer},
  author = {Grant, P. A. and Jackson, J. W., Jr. and Alcorn, G. E. and Marshall, F. E.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840025694},
  note = {Source identifier: 19840025694}
}