@misc{indiciaea4d4dbf42aa9,
  title = {Petrology and stratigraphy of the Fra Mauro Formation at the Apollo 14 site},
  author = {Howard Gordon Wilshire and E.D. Jackson},
  year = {1972},
  doi = {10.3133/pp785},
  url = {https://pubs.usgs.gov/publication/pp785},
  note = {Source identifier: pp785}
}