@misc{indiciae67c8a2331117,
  title = {VISUAL STANDARDS FOR THE PROBLEMS OF SPACEFLIGHT.},
  author = {C A BERRY},
  year = {1963},
  doi = {10.5694/j.1326-5377.1963.tb17964.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14061099/},
  note = {Source identifier: 14061099}
}