@misc{indiciae2fde52d1633f,
  title = {Viscous effects in aircraft trailing vortices},
  author = {Bilanin, A. J. and Teske, M. E. and Donaldson, C. and Snedeker, R. S.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780004076},
  note = {Source identifier: 19780004076}
}