@misc{indiciae0f6bf3d18f6c,
  title = {Low-velocity impact craters in ice and ice-saturated sand with implications for Martian crater count ages},
  author = {S.K. Croft and S. W. Kieffer and T.J. Ahrens},
  year = {2012},
  doi = {10.1029/jb084ib14p08023},
  url = {https://pubs.usgs.gov/publication/70012224},
  note = {Source identifier: 70012224}
}