@misc{indiciae9774a356d348,
  title = {Preliminary geologic map, crater Gassendi of the moon},
  author = {S.R. Titley and K. A. Howard},
  year = {1972},
  doi = {10.3133/ofr72379},
  url = {https://pubs.usgs.gov/publication/ofr72379},
  note = {Source identifier: ofr72379}
}