@misc{indiciae3561e7d2b666,
  title = {Free Wake Techniques for Rotor Aerodynamic Analylis. Volume 2: Vortex Sheet Models},
  author = {Tanuwidjaja, A.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19830011441},
  note = {Source identifier: 19830011441}
}