@misc{indiciae78baa5dded6b,
  title = {Slender Vortex Filament with Slowly Varying Core Structure},
  author = {Ting, Lu and Tung, Chee},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20000021238},
  note = {Source identifier: 20000021238}
}