@misc{indiciae4e1641d56e6f,
  title = {Dating fossil bone from Cornelia, Orange Free State, South Africa},
  author = {Barney J. Szabo},
  year = {1979},
  doi = {10.1016/0305-4403(79)90063-3},
  url = {https://pubs.usgs.gov/publication/70012487},
  note = {Source identifier: 70012487}
}