@misc{indiciae57a1e488820b,
  title = {VTOL flight investigation to develop a decelerating instrument approach capability},
  author = {Garren, J. F., Jr. and Kelly, J. R. and Sommer, R. W.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700039746},
  note = {Source identifier: 19700039746}
}