@misc{indiciaea5001de224d5,
  title = {Terminal-area STOL operating systems experiments program},
  author = {Smith, D. W. and Watson, D. and Christensen, J. V.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730024225},
  note = {Source identifier: 19730024225}
}