@misc{indiciae8ebe61bfceac,
  title = {Advanced vision research for extended spaceflight.},
  author = {Allen, W. H. and Jones, W. L. and Parker, J. F., Jr.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660052846},
  note = {Source identifier: 19660052846}
}