@misc{indiciae4467cecdd760,
  title = {Eo-Ulrichian to Neo-Ulrichian views: The renaissance of "layer-cake stratigraphy"},
  author = {Carlton E. Brett and P.I. McLaughlin and G.C. Baird},
  year = {2007},
  url = {https://pubs.usgs.gov/publication/70031640},
  note = {Source identifier: 70031640}
}