TY - RPRT TI - Biomarker chemistry and flux quantification methods for natural petroleum seeps and produced oils, offshore southern California AU - T.D. Lorenson AU - Ira Leifer AU - Florence L. Wong AU - Robert J. Rosenbauer AU - Pamela L. Campbell AU - Angela Lam AU - Frances D. Hostettler AU - Jens Greinert AU - David P. Finlayson AU - Eliza S. Bradley AU - Bruce P. Luyendyk PY - 2011 DO - 10.3133/sir20115210 UR - https://pubs.usgs.gov/publication/sir20115210 ID - sir20115210 ER -