@misc{indiciae5ad03ce292ca,
  title = {Calibration of a conodont apatite-based Ordovician 87 Sr/ 86 Sr curve to biostratigraphy and geochronology: Implications for stratigraphic resolution},
  author = {M. R. Saltzman and C. T. Edwards and S. A. Leslie and Gary S. Dwyer and J. A. Bauer and John E. Repetski and A. G. Harris and S. M. Bergstrom},
  year = {2014},
  doi = {10.1130/b31038.1},
  url = {https://pubs.usgs.gov/publication/70156844},
  note = {Source identifier: 70156844}
}