@misc{indiciaee958a1ec0c73,
  title = {Oil-Free Rotor Support Technologies for an Optimized Helicopter Propulsion System},
  author = {DellaCorte, Christopher and Bruckner, Robert J.},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20070023441},
  note = {Source identifier: 20070023441}
}