@misc{indiciae22d51e877acb,
  title = {The temporal development of hollow cathode discharges},
  author = {Ngo, Mai T. and Schoenbach, Karl H. and Gerdin, Glenn A. and Lee, Ja H.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900060373},
  note = {Source identifier: 19900060373}
}