@misc{indiciae9b682266dca2,
  title = {VTOL in-ground effect flows for closely spaced jets},
  author = {Siclari, M. J. and Hill, W. G., Jr. and Jenkins, R. C. and Migdal, D.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800062523},
  note = {Source identifier: 19800062523}
}