@misc{indiciaed7a7bd4c0117,
  title = {A Semi-Empirical Noise Modeling Method for Helicopter Maneuvering Flight Operations},
  author = {Greenwood, Eric and Schmitz, Fredric and Sickenberger, Richard D.},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20120008939},
  note = {Source identifier: 20120008939}
}