@misc{indiciae5ab58467c0fe,
  title = {Geologic map of the Geminus Quadrangle of the Moon},
  author = {M. J. Grolier},
  year = {1974},
  doi = {10.3133/i841},
  url = {https://pubs.usgs.gov/publication/i841},
  note = {Source identifier: i841}
}