@misc{indiciaedbed7397df3c,
  title = {Rotor systems research aircraft predesign study. Volume 4: Preliminary draft detail specification},
  author = {Miller, A. N. and Linden, A. W.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720025367},
  note = {Source identifier: 19720025367}
}