@misc{indiciaeda1576e648e5,
  title = {Age constraints on the proposed Plio-Pleistocene boundary stratotype at Vrica, Italy},
  author = {J. D. Obradovich and C. W. Naeser and G. A. Izett and G. Pasini and G. Bigazzi},
  year = {1982},
  doi = {10.1038/298055a0},
  url = {https://pubs.usgs.gov/publication/70011575},
  note = {Source identifier: 70011575}
}