@misc{indiciae91c80baf20ca,
  title = {Low-thrust trajectory maps (Bacon Plots) to support a human Mars surface expedition},
  author = {Landau, Damon and Baker, John and Woolley, Ryan},
  year = {2017},
  url = {https://ntrs.nasa.gov/citations/20210008618},
  note = {Source identifier: 20210008618}
}