@misc{indiciae28c1c12624d3,
  title = {North American Commission on Stratigraphic Nomenclature Report 12 – Revision of article 37, lithodemic units, of the North American Stratigraphic Code},
  author = {Robert M. Easton and Lucy E. Edwards and Randall C. Orndorff and Manuel Duguet and Ismael Ferrusquia-Villafranca},
  year = {2017},
  url = {https://pubs.usgs.gov/publication/70189384},
  note = {Source identifier: 70189384}
}