@misc{indiciaed6ec9cebfccc,
  title = {Inorganic geochemical indicators of glacial-interglacial changes in productivity and anoxia on the California continental margin},
  author = {W.E. Dean and J.V. Gardner and D.Z. Piper},
  year = {1997},
  doi = {10.1016/s0016-7037(97)00237-8},
  url = {https://pubs.usgs.gov/publication/70019509},
  note = {Source identifier: 70019509}
}