@misc{indiciaee6c912da0e8b,
  title = {Problematica Silurica : Systême Silurien du centre de la Bohême — Illustration, Plate 8},
  year = {1908},
  url = {https://www.biodiversitylibrary.org/page/14881006},
  note = {Source identifier: page-14881006}
}