@misc{indiciae970a8fed44ac,
  title = {Use of geochemical biomarkers in bottom sediment to track oil from a spill, San Francisco Bay, California},
  author = {F. D. Hostettler and J. B. Rapp and K.A. Kvenvolden},
  year = {1992},
  doi = {10.1016/0025-326x(92)90311-s},
  url = {https://pubs.usgs.gov/publication/70017233},
  note = {Source identifier: 70017233}
}