@misc{indiciaec7130c2743dc,
  title = {Trepostome and cystoporate bryozoans from the Lexington Limestone and the Clays Ferry Formation (Middle and Upper Ordovician) of Kentucky},
  author = {O.L. Karklins},
  year = {1984},
  doi = {10.3133/pp1066i},
  url = {https://pubs.usgs.gov/publication/pp1066I},
  note = {Source identifier: pp1066I}
}