@misc{indiciae69d98448cbf6,
  title = {Fiber composite fan blade impact improvement},
  author = {Graff, J. and Stoltze, L. and Varholak, E. M.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760023208},
  note = {Source identifier: 19760023208}
}