@misc{indiciaec83b47c05db7,
  title = {Crater gradation in Gusev crater and Meridiani Planum, Mars},
  author = {J. A. Grant and R. E. Arvidson and L.S. Crumpler and M.P. Golombek and B. Hahn and A. F. C. Haldemann and R. Li and L.A. Soderblom and S. W. Squyres and S.P. Wright and W.A. Watters},
  year = {2006},
  doi = {10.1029/2005je002465},
  url = {https://pubs.usgs.gov/publication/70030612},
  note = {Source identifier: 70030612}
}