@misc{indiciae0fccd111b150,
  title = {Ion mass spectrometer},
  author = {Neugebauer, M. and Clay, D. R. and Goldstein, B. E. and Goldstein, R.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840019947},
  note = {Source identifier: 19840019947}
}