@misc{indiciae4e426085d611,
  title = {Experiment S-8/D-13, Visual Acuity and Astronaut Visibility},
  author = {Seibert Q Duntley and Roswell W Austin and John H Taylor and James L Harris},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660020368},
  note = {Source identifier: 19660020368}
}