@misc{indiciaebde5b8e19864,
  title = {V/STOL shaft propulsion system analytical performance model},
  author = {Sulkoske, R. A. and Tucker, R. N. and Holmes, J. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770052088},
  note = {Source identifier: 19770052088}
}