@misc{indiciae139d27f8eb52,
  title = {A field-ionization neutral-particle mass spectrometer},
  author = {Curtis, C. C. and Hsieh, K. C. and Fan, C. Y.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740048452},
  note = {Source identifier: 19740048452}
}