@misc{indiciae6adfb96d2f05,
  title = {Ages of flow units in the far eastern lunar maria based on crater density},
  author = {Joseph M. Boyce},
  year = {1978},
  doi = {10.3133/ofr78879},
  url = {https://pubs.usgs.gov/publication/ofr78879},
  note = {Source identifier: ofr78879}
}