@misc{indiciae4203812ea65d,
  title = {Geologic implications of the Apollo 14 Fra Mauro breccias and comparison with ejecta from the Ries Crater, Germany},
  author = {E. C. T. Chao},
  year = {1973},
  url = {https://pubs.usgs.gov/publication/70159640},
  note = {Source identifier: 70159640}
}