@misc{indiciaed29a1a2d47f2,
  title = {Alpha proton x ray spectrometer},
  author = {Rieder, Rudi and Waeke, H. and Economou, T.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950009786},
  note = {Source identifier: 19950009786}
}