@misc{indiciae363777244a28,
  title = {Electrostatic thrustor with improved insulators Patent},
  author = {Byers, D. C. and Margosian, P. M. and Mealy, G. E.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19710001100},
  note = {Source identifier: 19710001100}
}