@misc{indiciae75376c8f7a27,
  title = {Mass spectrometer for D-region studies. Part 2 - Flight prototype Final report},
  author = {Dangelo, J. D. and Herzog, R. F.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690019594},
  note = {Source identifier: 19690019594}
}