@misc{indiciae62cec22a0f54,
  title = {A preliminary annotated bibliography on siliceous algal cysts and scales},
  author = {David P. Adam and Albert D. Mahood},
  year = {1979},
  doi = {10.3133/ofr791215},
  url = {https://pubs.usgs.gov/publication/ofr791215},
  note = {Source identifier: ofr791215}
}