@misc{indiciae38cd28e0e318,
  title = {A new MAP for Mars},
  author = {Zubrin, Robert and Price, Steve and Clark, Ben and Cantrell, Jim and Bourke, Roger},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940033428},
  note = {Source identifier: 19940033428}
}