@misc{indiciae1ec90d6ad0ce,
  title = {CYCLOTRON RESONANCE PROPULSION SYSTEM},
  author = {Gibbons, E. F. and Gloersen, P. and Miller, D. B.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630019407},
  note = {Source identifier: 19630019407}
}