@misc{indiciae7daa50babe7c,
  title = {Recent biogenic phosphorite: Concretions in mollusk kidneys},
  author = {L. J. Doyle and N.J. Blake and C.C. Woo and P. Yevich},
  year = {1978},
  doi = {10.1126/science.199.4336.1431},
  url = {https://pubs.usgs.gov/publication/70012565},
  note = {Source identifier: 70012565}
}