@misc{indiciae1e0361c3af90,
  title = {Problematica Silurica : Systême Silurien du centre de la Bohême — Illustration, Plate 10},
  year = {1908},
  url = {https://www.biodiversitylibrary.org/page/14881014},
  note = {Source identifier: page-14881014}
}