@misc{indiciae7bd8cfda9bb8,
  title = {Extended performance solar electric propulsion thrust system design},
  author = {Cake, J. E. and Hawthorne, E. I. and Poeschel, R. L.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780053521},
  note = {Source identifier: 19780053521}
}