@misc{indiciae5100641976ea,
  title = {Development and application of a time-history analysis for rotorcraft dynamics based on a component approach},
  author = {Sopher, R. and Hallock, D. W.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860005821},
  note = {Source identifier: 19860005821}
}