@misc{indiciaef1af80f24ccb,
  title = {Viking landing sites, remote-sensing observations, and physical properties of Martian surface materials},
  author = {H. J. Moore and B. M. Jakosky},
  year = {1989},
  doi = {10.1016/0019-1035(89)90132-2},
  url = {https://pubs.usgs.gov/publication/70015447},
  note = {Source identifier: 70015447}
}