@misc{indiciae7bc77b5c36b7,
  title = {Initialization and Simulation of Three-Dimensional Aircraft Wake Vortices},
  author = {Ash, Robert L. and Zheng, Z. C.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/19970017953},
  note = {Source identifier: 19970017953}
}