@misc{indiciaeca9208bc181f,
  title = {Chemical Composition of Ectoprocta (Bryozoa)},
  author = {T.J.M. Schopf and Frank T. Manheim},
  year = {1967},
  url = {https://pubs.usgs.gov/publication/70206898},
  note = {Source identifier: 70206898}
}