@misc{indiciaea83fe772b745,
  title = {Wingtip Vortex-Augmented Turbopusher Propeller Thrust},
  author = {Patterson, J. C., Jr.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850000095},
  note = {Source identifier: 19850000095}
}