@misc{indiciaebce5a237c441,
  title = {Tiltrotor Research Aircraft composite blade repairs - Lessons learned},
  author = {Espinosa, Paul S. and Groepler, David R.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930030822},
  note = {Source identifier: 19930030822}
}