@misc{indiciae65e6c22bcc73,
  title = {Conodont biostratigraphy and stable isotope stratigraphy across the Ordovician Knox/Beekmantown unconformity in the central Appalachians},
  author = {Stephen A. Leslie and Matthew R. Saltzman and S. M. Bergstrom and J.E. Repetski and A. Howard and A.M. Seward},
  year = {2011},
  url = {https://pubs.usgs.gov/publication/70044224},
  note = {Source identifier: 70044224}
}