@misc{indiciaeae7fc3eab08e,
  title = {Die Samenreifung bei den Planarien / von Waldemar Schleip — Illustration, Plate I},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/32505776},
  note = {Source identifier: page-32505776}
}