@misc{indiciaedc2d9d1a2ed9,
  title = {Unsteady propeller forces, fundamental hydrodynamics [and] unconventional propulsion — Illustration, Page 182},
  year = {1971},
  url = {https://www.biodiversitylibrary.org/page/26532990},
  note = {Source identifier: page-26532990}
}