@misc{indiciae64cb2d4f5048,
  title = {Fundamental Aeronautics Program Subsonic Rotary Wing Project: Variable-Speed Rotorcraft Drive System Research},
  author = {Lewicki, David G. and Stevens, Mark and DeSmidt, Hans},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20150010357},
  note = {Source identifier: 20150010357}
}