@misc{indiciaee9ebd074f068,
  title = {Lunar surface - Sputtering and secondary ion mass spectrometry},
  author = {Johnson, R. E. and Baragiola, R.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920030353},
  note = {Source identifier: 19920030353}
}