@misc{indiciaed49a94684225,
  title = {A revised 87Sr/86Sr curve for the Silurian: Implications for global ocean chemistry and the Silurian timescale},
  author = {Bradley D. Cramer and Axel Munnecke and D. I. Schofield and K.M. Haase and A. Haase-Schramm},
  year = {2011},
  doi = {10.1086/660117},
  url = {https://pubs.usgs.gov/publication/70036379},
  note = {Source identifier: 70036379}
}