@misc{indiciaeb294aceeb4a2,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, BHL page 1008723},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/1008723},
  note = {Source identifier: page-1008723}
}