@misc{indiciae4ddac87f38af,
  title = {Radio description of geologic features examples and conclusions},
  author = {Ivo Lucchitta and John W. M’Gonigle and David Schleicher},
  year = {1969},
  doi = {10.3133/ofr69153},
  url = {https://pubs.usgs.gov/publication/ofr69153},
  note = {Source identifier: ofr69153}
}