@misc{indiciaeba46289c52e5,
  title = {Aiding Vertical Guidance Understanding},
  author = {Feary, Michael and McCrobie, Daniel and Alkin, Martin and Sherry, Lance and Polson, Peter and Palmer, Everett and McQuinn, Noreen},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19980018859},
  note = {Source identifier: 19980018859}
}