@misc{indiciae01ca1073ce1b,
  title = {Geologic Map of the Niobe Planitia Quadrangle (V-23), Venus},
  author = {Vicki L. Hansen},
  year = {2009},
  doi = {10.3133/sim3025},
  url = {https://pubs.usgs.gov/publication/sim3025},
  note = {Source identifier: sim3025}
}