@misc{indiciaef166dea5f6ca,
  title = {Explicit and implicit horizons for simulated landing approaches.},
  author = {G Lintern and Y T Liu},
  year = {1991},
  doi = {10.1177/001872089103300403},
  url = {https://pubmed.ncbi.nlm.nih.gov/1955202/},
  note = {Source identifier: 1955202}
}