@misc{indiciae189fd9c884a1,
  title = {The inorganic constituents of marine invertebrates (second edition, revised and enlarged)},
  author = {F. W. Clarke and W. C. Wheeler},
  year = {1922},
  doi = {10.3133/pp124},
  url = {https://pubs.usgs.gov/publication/pp124},
  note = {Source identifier: pp124}
}