@misc{indiciaed9a1e942a34c,
  title = {Effect of an unsteady three-dimensional wake on elastic blade-flapping eigenvalues in hover},
  author = {Peters, David A. and Su, AY},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930050263},
  note = {Source identifier: 19930050263}
}