@misc{indiciaeab767e08d60f,
  title = {Martian Surface Properties: Inferences from Resolved Differences in Crater Geometries},
  author = {Valiant, G. J. and Stewart, S. T.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20040065878},
  note = {Source identifier: 20040065878}
}