@misc{indiciae92ac65eae211,
  title = {Solar electric propulsion system tests},
  author = {Costogue, E. N. and Ferrera, J. D. and Macie, T. W. and Pawlik, E. V.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700027454},
  note = {Source identifier: 19700027454}
}