@misc{indiciae81c04cb7354e,
  title = {Improved Traveling-Wave Tube},
  author = {Rousseau, Art and Tammaru, Ivo and Vaszari, John},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880000077},
  note = {Source identifier: 19880000077}
}