@misc{indiciae98dd0e4366f2,
  title = {North to Mars!},
  author = {R Zubrin},
  year = {2001},
  doi = {10.1038/scientificamerican0601-66},
  url = {https://pubmed.ncbi.nlm.nih.gov/11396344/},
  note = {Source identifier: 11396344}
}