@misc{indiciaeeae10e768288,
  title = {Penn State Imaging X-ray Spectrometer},
  author = {Burrows, David N. and Berthiaume, Gregory D. and Catalano, Mark A. and Garmire, Gordon P. and Larkin, Claire},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900063205},
  note = {Source identifier: 19900063205}
}