@misc{indiciae02730af01ef7,
  title = {Das Süsswasserplankton; Methode und Resultate der quantitativen Untersuchung — Illustration, Page 171},
  year = {1896},
  url = {https://www.biodiversitylibrary.org/page/37004081},
  note = {Source identifier: page-37004081}
}