@misc{indiciaea614fd5049d2,
  title = {Computer prediction of three-dimensional potential flow fields in which aircraft propellers operate: Computer program description and users manual},
  author = {Jumper, S. J.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800009731},
  note = {Source identifier: 19800009731}
}