@misc{indiciae8bb3e0a17a8d,
  title = {Extraterrestrial GIS},
  author = {Trent M. Hare and Randolph L. Kirk and James A. Skinner and Kenneth L. Tanaka},
  year = {2009},
  url = {https://pubs.usgs.gov/publication/70201196},
  note = {Source identifier: 70201196}
}