@misc{indiciae800c68b24ade,
  title = {Mapping the planet Mars by Mariner 9},
  author = {Raymond M. Batson and S.E. Dwornik},
  year = {1974},
  doi = {10.3133/ofr7483},
  url = {https://pubs.usgs.gov/publication/ofr7483},
  note = {Source identifier: ofr7483}
}