TY - RPRT TI - Geochemistry of coastal tarballs in southern California—A tribute to I. R. Kaplan AU - Keith A. Kvenvolden AU - Frances D. Hostettler PY - 2004 DO - 10.1016/s1873-9881(04)80016-6 UR - https://pubs.usgs.gov/publication/70208241 ID - 70208241 ER -