@misc{indiciae46e26b446a86,
  title = {A summary of relative ages of the lunar nearside maria based on Lunar Orbiter IV photography},
  author = {Joseph M. Boyce},
  year = {1976},
  doi = {10.3133/ofr7768},
  url = {https://pubs.usgs.gov/publication/ofr7768},
  note = {Source identifier: ofr7768}
}