@misc{indiciae2bc2bf3d31d9,
  title = {NASA Wake Vortex Research for Aircraft Spacing},
  author = {Perry, R. Brad and Hinton, David A. and Stuever, Robert A.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20040105596},
  note = {Source identifier: 20040105596}
}