@misc{indiciaef9b47fccb1a9,
  title = {Visual task analysis /VISTA/},
  author = {Burkes, T. and Kelly, A. and Merritt, H., Jr.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690000388},
  note = {Source identifier: 19690000388}
}