@misc{indiciaedb3acb2302be,
  title = {Photogrammetry of the Viking-Lander imagery.},
  author = {S.S.C. Wu and F.J. Schafer},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/70011653},
  note = {Source identifier: 70011653}
}