@misc{indiciae9eb44da5cff3,
  title = {Non-ambipolar radio-frequency plasma electron source and systems and methods for generating electron beams},
  author = {Hershkowitz, Noah and Longmier, Benjamin and Baalrud, Scott},
  year = {2009},
  url = {https://ntrs.nasa.gov/citations/20090043095},
  note = {Source identifier: 20090043095}
}