@misc{indiciae1ff40c51ada2,
  title = {Ultrahigh resolution topographic mapping of Mars with MRO HiRISE stereo images: Meter-scale slopes of candidate Phoenix landing sites},
  author = {Randolph L. Kirk and Elpitha Howington-Kraus and Mark R. Rosiek and Jeffery A. Anderson and Brent A. Archinal and Kris J. Becker and D.A. Cook and Donna M. Galuszka and Paul E. Geissler and Trent M. Hare and I.M. Holmberg and Laszlo P. Keszthelyi and Bonnie L. Redding and W.A. Delamere and D. Gallagher and J.D. Chapel and Eric M. Eliason and R. King and Alfred S. McEwen},
  year = {2008},
  doi = {10.1029/2007je003000},
  url = {https://pubs.usgs.gov/publication/70034779},
  note = {Source identifier: 70034779}
}