@misc{indiciae46751bda00c3,
  title = {Research On The CH-47B Helicopter},
  author = {Hilbert, Kathryn B. and Tucker, George E. and Chen, Robert T. N. and Fry, Emmett B. and Hindson, William S.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880000277},
  note = {Source identifier: 19880000277}
}