@misc{indiciaef3dc19588eab,
  title = {Terminal-area STOL operating systems experiments program},
  author = {Smith, D. W. and Watson, D. and Christensen, J. V.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730010286},
  note = {Source identifier: 19730010286}
}