@misc{indiciaef1b4f3df6ed1,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, Page 264},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/1010243},
  note = {Source identifier: page-1010243}
}