@misc{indiciae5e6ddd2ebd2e,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, Page 161},
  year = {1912},
  url = {https://www.biodiversitylibrary.org/page/12475960},
  note = {Source identifier: page-12475960}
}