@misc{indiciaeae46724950b5,
  title = {Flow structure generated by perpendicular blade vortex interaction and implications for helicopter noise predictions},
  author = {Devenport, William J. and Glegg, Stewart A. L.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19950021772},
  note = {Source identifier: 19950021772}
}