@misc{indiciaef8e1d5855587,
  title = {Downwash-velocity potential method for oscillating surfaces.},
  author = {Haviland, J. K. and Yoo, Y. S.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730044001},
  note = {Source identifier: 19730044001}
}