@misc{indiciae9fd37c9c7dd6,
  title = {Lunar crater depths from orbiter IV long-focus photographs},
  author = {D.W.G. Arthur},
  year = {1974},
  doi = {10.1016/0019-1035(74)90109-2},
  url = {https://pubs.usgs.gov/publication/70010971},
  note = {Source identifier: 70010971}
}