@misc{indiciae3175d5b068c5,
  title = {Conversion of the Radiometric Age Data Bank (RADB) to the National Geochronological Data Base (NGDB)},
  author = {Brian D. Marshall},
  year = {1993},
  doi = {10.3133/ofr93336},
  url = {https://pubs.usgs.gov/publication/ofr93336},
  note = {Source identifier: ofr93336}
}