@misc{indiciae1a1ef52a19f4,
  title = {Geologic map of Io},
  author = {David A. Williams and Laszlo P. Keszthelyi and David A. Crown and Jessica A. Yff and Windy L. Jaeger and Paul M. Schenk and Paul E. Geissler and Tammy L. Becker},
  year = {2011},
  doi = {10.3133/sim3168},
  url = {https://pubs.usgs.gov/publication/sim3168},
  note = {Source identifier: sim3168}
}