@misc{indiciaed93ee9be3f10,
  title = {Fauna Boica, oder, Gemeinnützige Naturgeschichte der Thiere Bayerns / Fauna Boica, oder, Gemeinnützige Naturgeschichte der Thiere Bayerns. [v.6], [Snails] — Illustration, Page 31 / Plate 5},
  year = {1834},
  url = {https://www.biodiversitylibrary.org/page/50886663},
  note = {Source identifier: page-50886663}
}