@misc{indiciaeb1a045e1b4e9,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, Page 22},
  year = {1912},
  url = {https://www.biodiversitylibrary.org/page/12475798},
  note = {Source identifier: page-12475798}
}