@misc{indiciaeb9e3f6c3d3da,
  title = {Crinoids; a computer animation and paper model},
  author = {Tau Rho Alpha and Dorothy L. Stout and Scott W. Starratt},
  year = {1997},
  doi = {10.3133/ofr9791a},
  url = {https://pubs.usgs.gov/publication/ofr9791A},
  note = {Source identifier: ofr9791A}
}