@misc{indiciaeea421cd87b29,
  title = {Continuously operating induction plasma accelerator Patent},
  author = {Barger, R. L. and Beasley, W. D. and Brooks, J. D.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19700027630},
  note = {Source identifier: 19700027630}
}