@misc{indiciae1aeee358086a,
  title = {Geologic map of the Bach region of Mercury},
  author = {R.G. Strom and M. C. Malin and M.A. Leake},
  year = {1990},
  doi = {10.3133/i2015},
  url = {https://pubs.usgs.gov/publication/i2015},
  note = {Source identifier: i2015}
}