TY - RPRT TI - Terrestrial-marine carbon cycle coupling in ~500-m.y.-old phosphatic brachiopods AU - Clinton A. Cowan AU - David L. Fox AU - Anthony C. Runkel AU - Matthew R. Saltzman PY - 2005 DO - 10.1130/g21434.1 UR - https://pubs.usgs.gov/publication/70029280 ID - 70029280 ER -