@misc{indiciae962164f6d53e,
  title = {Die Samenreifung bei den Planarien / von Waldemar Schleip — Illustration, Fig. B / Page 21},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/32505808},
  note = {Source identifier: page-32505808}
}