@misc{indiciae5757f91b344f,
  title = {Two former faces of the Moon},
  author = {Don E. Wilhelm and D.E. Davis},
  year = {1971},
  doi = {10.3133/ofr71326},
  url = {https://pubs.usgs.gov/publication/ofr71326},
  note = {Source identifier: ofr71326}
}