@misc{indiciae0a3edd1fff22,
  title = {Electric propulsion system performance evaluation.},
  author = {Ferrera, J. and Macie, T. and Pawlik, E. V.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690043224},
  note = {Source identifier: 19690043224}
}