@misc{indiciae4c5f3c61c8ce,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, Page 122},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/1009626},
  note = {Source identifier: page-1009626}
}