@misc{indiciae3b1aedddbda1,
  title = {Cold electron sources for mass spectrometric applications.},
  author = {Gilliland, B. E. and Grimes, G. B. and Raible, R. W. and Testerman, M. K. and Williams, J. R.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19650052614},
  note = {Source identifier: 19650052614}
}