@misc{indiciae27114adb57ce,
  title = {Evidence for ponding and catastrophic floods in central Valles Marineris, Mars},
  author = {K.P. Harrison and M. G. Chapman},
  year = {2008},
  doi = {10.1016/j.icarus.2008.08.003},
  url = {https://pubs.usgs.gov/publication/70032948},
  note = {Source identifier: 70032948}
}