@misc{indiciaed3ad15e92c93,
  title = {Uber baumfarrenreste der bohmischen steinkohlen-, perm-kreideformation — Illustration, BHL page 61026675},
  year = {1872},
  url = {https://www.biodiversitylibrary.org/page/61026675},
  note = {Source identifier: page-61026675}
}