@misc{indiciae16d85fbc5425,
  title = {Feasibility studies on an auxiliary propulsion system using MPD thrusters},
  author = {Burkhart, J. A. and Seikel, G. R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710050057},
  note = {Source identifier: 19710050057}
}