@misc{indiciae9faddd8d1db5,
  title = {The NASA Electric Propulsion Program},
  author = {Curran, Francis M. and Brophy, John R. and Bennett, Gary L.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930065800},
  note = {Source identifier: 19930065800}
}