TY - RPRT TI - Revised correlation of Silurian Provincial Series of North America with global and regional chronostratigraphic units and δ 13 C carb chemostratigraphy AU - Bradley D. Cramer AU - Carlton E. Brett AU - Michael J. Melchin AU - Peep Mannik AU - Mark A. Kleffner AU - Patrick I. McLaughlin AU - David K. Loydell AU - Axel Munnecke AU - Lennart Jeppsson AU - Carlo Corradini AU - Frank R. Brunton AU - Matthew R. Saltzman PY - 2011 DO - 10.1111/j.1502-3931.2010.00234.x UR - https://pubs.usgs.gov/publication/70034024 ID - 70034024 ER -