@misc{indiciae430b69515443,
  title = {Geologic map of Callisto},
  author = {K.C. Bender and J. W. Rice and D.E. Wilhems and Ronald Greeley},
  year = {1997},
  doi = {10.3133/i2581},
  url = {https://pubs.usgs.gov/publication/i2581},
  note = {Source identifier: i2581}
}