@misc{indiciaead09c0f1359b,
  title = {U.S. In-Space Electric Propulsion Experiments},
  author = {Sutton, Alan M. and Vondra, Robert and Stocky, John F.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20210004237},
  note = {Source identifier: 20210004237}
}