@misc{indiciae7e85c8a10e03,
  title = {Electrostatic Propulsion Beam Divergence Effects on Spacecraft Surfaces, Volume 1 Final Report},
  author = {Hall, D. F.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700027614},
  note = {Source identifier: 19700027614}
}