@misc{indiciae1e91047c9b5e,
  title = {Mass Spectrometer Containing Multiple Fixed Collectors},
  author = {Moskala, Robert and Celo, Alan and Voss, Guenter and Shaffer, Tom},
  year = {2008},
  url = {https://ntrs.nasa.gov/citations/20080047996},
  note = {Source identifier: 20080047996}
}