@misc{indiciaed404c99950d8,
  title = {Helicopter rotor and engine sizing for preliminary performance estimation},
  author = {Talbot, P. D. and Bowles, J. V. and Lee, H. C.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860058091},
  note = {Source identifier: 19860058091}
}