TY - RPRT TI - Carbon isotopic compositions of organic matter across continental Cretaceous-Tertiary (K-T) boundary sections: Implications for paleoenvironment after the K-T impact event AU - T. Maruoka AU - C. Koeberl AU - B.F. Bohor PY - 2007 DO - 10.1016/j.epsl.2006.10.028 UR - https://pubs.usgs.gov/publication/70031742 ID - 70031742 ER -