@misc{indiciaebc21a69b2bd5,
  title = {Aquatic microscopy for beginners; or, Common objects from the ponds and ditches — Illustration, BHL page 37978583},
  year = {1896},
  url = {https://www.biodiversitylibrary.org/page/37978583},
  note = {Source identifier: page-37978583}
}