@misc{indiciae50433f197801,
  title = {Segmented Ion Engine Plume Characteristics},
  author = {Mueller, Juergen and Brophy, John R. and Tierney, C. Michael},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20210004369},
  note = {Source identifier: 20210004369}
}