@misc{indiciae94cb9030a99a,
  title = {Potentials of solar power electric propulsion.},
  author = {Menetrey, W. and Ritchie, D. and Toms, R.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660045237},
  note = {Source identifier: 19660045237}
}