@misc{indiciae6f02e6f29c9f,
  title = {Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna — Illustration, Page 67},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/1010143},
  note = {Source identifier: page-1010143}
}