@misc{indiciae87356eebac7b,
  title = {Modeling techniques for transonic airfoils},
  author = {Petrie, S. L. and Freuler, R. J. and Gregorek, G. M. and Bragg, M. B.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19850066863},
  note = {Source identifier: 19850066863}
}