@misc{indiciae3e8e2e98d2d3,
  title = {Non-destructive trace element microanalysis of as-received cometary nucleus samples using synchrotron x ray fluorescence},
  author = {Sutton, S. R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900007333},
  note = {Source identifier: 19900007333}
}