@misc{indiciaeb2ac86db2527,
  title = {X-Ray Diffraction Techniques for a Field Instrument: Patterns of Lithologic Provences},
  author = {Marshall, J. and Keaten, R.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20000025358},
  note = {Source identifier: 20000025358}
}