@misc{indiciaed73944990adc,
  title = {NASA-GRA--Geared-Rotor Analyzer},
  author = {Park, N. and Kim, D. and David, J. W.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19950065494},
  note = {Source identifier: 19950065494}
}