@misc{indiciae3afd4c47c9c5,
  title = {Mars elevation distribution},
  author = {Wu, Sherman S. C. and Howington-Kraus, Annie E. and Ablin, Karyn K.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920001703},
  note = {Source identifier: 19920001703}
}