@misc{indiciae4c2a267a0839,
  title = {A self-propulsion modification to the Clarke-Bumpus quantitative plankton sampler — Illustration, BHL page 39183540},
  year = {1966},
  url = {https://www.biodiversitylibrary.org/page/39183540},
  note = {Source identifier: page-39183540}
}