@misc{indiciaec05772ba4d52,
  title = {A three degree-of-freedom, typical section flutter analysis using harmonic transonic air forces},
  author = {Weatherill, W. H. and Ehlers, F. E.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830051579},
  note = {Source identifier: 19830051579}
}