@misc{indiciaecb4c8fe5a6ec,
  title = {Aeroelastic modeling of swept tip rotor blades using finite elements},
  author = {Celi, R. and Friedmann, P. P.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880035521},
  note = {Source identifier: 19880035521}
}