@misc{indiciae516e71fd29a9,
  title = {Ion mass spectrometer measurements from the Space Shuttle},
  author = {Grebowsky, J. M. and Schaefer, A.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910026883},
  note = {Source identifier: 19910026883}
}