@misc{indiciae9ec53c03d1dc,
  title = {MPD thruster performance - Propellant distribution and species effects},
  author = {Kelly, A. J. and Jahn, R. G. and Merfeld, D. J.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860026248},
  note = {Source identifier: 19860026248}
}