@misc{indiciaed8050a621cb0,
  title = {Hybrid vortex method for lifting surfaces with free-vortex flow},
  author = {Kandil, O. A. and Chu, L.-C. and Yates, E. C., Jr.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800035137},
  note = {Source identifier: 19800035137}
}