@misc{indiciaed3a0f8202f6b,
  title = {North American Commission on stratigraphic nomenclature},
  author = {R. M. Easton and J.O. Jones and A.C. Lenz and Ismael Ferrusquia-Villafranca and E. A. Mancini and Bruce R. Wardlaw and Lucy E. Edwards and B.R. Pratt},
  year = {2005},
  doi = {10.1306/05230505015},
  url = {https://pubs.usgs.gov/publication/70027740},
  note = {Source identifier: 70027740}
}