@misc{indiciae93093c98b35d,
  title = {Albedo boundaries on Mars in 1972: Results from Mariner 9},
  author = {R. M. Batson and J.L. Inge},
  year = {1976},
  doi = {10.1016/0019-1035(76)90168-8},
  url = {https://pubs.usgs.gov/publication/70010434},
  note = {Source identifier: 70010434}
}