@misc{indiciae4af03c8b5f4d,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, Page 248},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/1010031},
  note = {Source identifier: page-1010031}
}