@misc{indiciaeacae678455d8,
  title = {Thrust and efficiency of a self-field MPD thruster},
  author = {Burton, R. L. and Clark, K. E. and Jahn, R. G.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810045134},
  note = {Source identifier: 19810045134}
}