@misc{indiciae21a71f48bfad,
  title = {Advanced surface paneling method for subsonic and supersonic flow},
  author = {Erickson, L. L. and Johnson, F. T. and Ehlers, F. E.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770011055},
  note = {Source identifier: 19770011055}
}