@misc{indiciaec15567f1825d,
  title = {Distortion of the vortex core during blade-vortex interaction},
  author = {Lee, G. J. and Smith, C. A.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870057642},
  note = {Source identifier: 19870057642}
}