TY - RPRT TI - A revised 87Sr/86Sr curve for the Silurian: Implications for global ocean chemistry and the Silurian timescale AU - Bradley D. Cramer AU - Axel Munnecke AU - D. I. Schofield AU - K.M. Haase AU - A. Haase-Schramm PY - 2011 DO - 10.1086/660117 UR - https://pubs.usgs.gov/publication/70036379 ID - 70036379 ER -