@misc{indiciae3dae9a916d87,
  title = {Charge-exchange plasma environment for an ion drive spacecraft},
  author = {Kaufman, H. R. and Carruth, M. R., Jr.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810008611},
  note = {Source identifier: 19810008611}
}