@misc{indiciaeeb3c8e64425a,
  title = {A queueing model of visual sampling experimental validation.},
  author = {Carbonell, J. R. and Senders, J. W. and Ward, J. L.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690033965},
  note = {Source identifier: 19690033965}
}