@misc{indiciae36c8aa7ca7e7,
  title = {Development of a non-magnetic flight type mass spectrometer Final report},
  author = {Hedman, J. and Little, W. S. and Shaffer, L. W. and Wakefield, W. L.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680026163},
  note = {Source identifier: 19680026163}
}