@misc{indiciae675258b3818c,
  title = {Solar Electric Propulsion Concepts for Human Space Exploration},
  author = {Mercer, Carolyn R. and Mcguire, Melissa L. and Oleson, Steven R. and Barrett, Michael J.},
  year = {2016},
  url = {https://ntrs.nasa.gov/citations/20160003683},
  note = {Source identifier: 20160003683}
}