@misc{indiciaebfce40e9b581,
  title = {Derated ion thruster development status},
  author = {Patterson, Michael J. and Haag, Thomas W. and Williams, George J., Jr.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940010253},
  note = {Source identifier: 19940010253}
}