@misc{indiciaeda0c77da0e52,
  title = {Terrestrial impact structures - a bibliography},
  author = {Jacquelyn H. Freeberg},
  year = {1966},
  doi = {10.3133/b1220},
  url = {https://pubs.usgs.gov/publication/b1220},
  note = {Source identifier: b1220}
}