@misc{indiciae4a34bc2eddf3,
  title = {Failure detection by pilots during automatic landing - Models and experiments},
  author = {Gai, E. G. and Curry, R. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770037590},
  note = {Source identifier: 19770037590}
}