@misc{indiciaee1ad101c2fb0,
  title = {Geochemistry of a marine phosphate deposit: A signpost to phosphogenesis},
  author = {David Z. Piper and R.B. Perkins},
  year = {2014},
  doi = {10.1016/b978-0-08-095975-7.01112-8},
  url = {https://pubs.usgs.gov/publication/70190450},
  note = {Source identifier: 70190450}
}