@misc{indiciaee74ba000866d,
  title = {The contributions of Ranger photographs to understanding the geology of the Moon},
  author = {N.J. Trask},
  year = {1972},
  doi = {10.3133/pp599j},
  url = {https://pubs.usgs.gov/publication/pp599J},
  note = {Source identifier: pp599J}
}