@misc{indiciaed02f1218ff1e,
  title = {Helicopter hub fairing and pylon interference drag},
  author = {Graham, D. R. and Sung, D. Y. and Young, L. A. and Louie, A. W. and Stroub, R. H.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890009045},
  note = {Source identifier: 19890009045}
}