@misc{indiciaed868cbacbe33,
  title = {Automated mass spectrometer/analysis system: A concept},
  author = {Boettger, H. G. and Giffin, C. E. and Dreyer, W. J. and Kuppermann, A.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750000331},
  note = {Source identifier: 19750000331}
}