@misc{indiciae574d7c274763,
  title = {Evidence for long-term climate change in Upper Devonian strata of the central Appalachians},
  author = {D. K. Brezinski and C. B. Cecil and V.W. Skema and C.A. Kertis},
  year = {2009},
  doi = {10.1016/j.palaeo.2009.10.010},
  url = {https://pubs.usgs.gov/publication/70037188},
  note = {Source identifier: 70037188}
}