@misc{indiciae09d2471b2f8f,
  title = {Electrostatic Plasma Accelerator (EPA)},
  author = {Brophy, John R. and Aston, Graeme},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19960022968},
  note = {Source identifier: 19960022968}
}