@misc{indiciaef5740c3d6b5a,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, Page 58},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/1010301},
  note = {Source identifier: page-1010301}
}